How K-Pop Idols Train for Years (And Why It’s So Intense) 

 May 14, 2025

By  Uruba Kashish

K-pop has taken the world by storm, and fans in India are no exception. From BTS and BLACKPINK to EXO and TWICE, the colorful world of Korean pop is packed with catchy music, sharp dance moves, and idols who seem flawless. But behind their polished smiles and smooth performances lies something very few fans fully understand — years of intense, sometimes brutal, training.

Ever wondered how your favorite idols became so perfect on stage? Let’s take a deep dive into the rigorous life of a K-pop trainee and explore why this path is one of the hardest in the entertainment industry.

The Dream Starts Early

Most K-pop idols start their training journey at a very young age. Many are scouted when they’re just 10 to 14 years old. Some go for auditions themselves, while others are spotted by talent agents on the street or through social media.

In countries like South Korea, becoming a K-pop idol is a dream for many teenagers — just like how Indian kids dream of becoming Bollywood stars or cricket players.

They go through auditions conducted by entertainment companies like SM, JYP, YG, HYBE, and many more. But getting selected is just the beginning.

What Happens After You Become a Trainee?

Once someone gets selected, they sign a trainee contract with the company. These contracts are strict, and in the past, they were even called "slave contracts" because of how long and unfair they were. Although the rules are better now due to public pressure and legal changes, trainees still have to work extremely hard.

Their day starts early and ends late — imagine going to school in the morning and then training till 10 or even 12 at night. Most trainees do this every single day!

The Daily Life of a K-Pop Trainee

Let’s break down a typical day for a trainee:


  • Morning: School or private education.
  • Afternoon to Evening: Vocal training, rap lessons, dance classes, and language classes (mostly Korean and English).
  • Late Evening: Fitness training, visual grooming, and sometimes acting classes.


On top of that, they often go through monthly evaluations â€” mini-performances in front of company staff who judge if they’re improving. If you don’t show progress, you can be dropped.

It’s like going through an exam every month, and failure can mean the end of your idol dream.

Diet and Fitness: Looking Perfect Isn’t Easy

Companies expect idols to have a certain look. This means trainees often follow very strict diets, sometimes dangerously so. Popular idols like IU and Jimin (BTS) have spoken about extreme diets in the past.

Many trainees are told to lose weight quickly or maintain a certain appearance. That’s why fitness training and visual evaluations are a big part of the process.

In India, we admire actors or athletes who transform for a role — imagine doing that 24/7, even when you're just 15 or 16!

Mental Pressure: The Dark Side of the Dream

Not all that shines is gold. The mental stress of being a trainee is real. You're competing with many others who are also working just as hard. There’s fear of being dropped, criticism from trainers, loneliness from being away from home, and the constant pressure to be perfect.

Many idols have later opened up about the mental toll. Some companies are now hiring counselors, but there’s still a long way to go.

For Indian fans, it’s a reminder that behind every dazzling K-pop video, there are stories of struggle and sacrifice.

How Long Do They Train?

This varies a lot. Some idols train for a few months; others train for 5 to 10 years before debuting — or they may never debut at all.

Here are a few famous examples:

  • Jihyo (TWICE) trained for 10 years before debuting.
  • RM (BTS) trained for around 3 years.
  • Lisa (BLACKPINK) trained for over 5 years in Korea, even though she’s from Thailand.

Trainees don’t even know when or if they’ll debut. It’s like studying for an exam without knowing the date!

The Final Test: Debut or Goodbye

When a company thinks a trainee is ready, they might put them in a group. Sometimes, companies even run survival shows (like "Produce 101" or "I-LAND") to decide who makes it.

This final step is filled with excitement and fear. Because once you debut, you enter another world — fame, schedules, fans, interviews, and the pressure to stay popular.

Why Do They Do It Then?

You might wonder — if it’s so hard, why do so many young people still dream of becoming K-pop idols?

The answer is passion.

Just like how many Indians work hard to crack IIT or UPSC or try year after year to get into Bollywood, Korean trainees believe their dedication will one day bring them success. And when it works, the rewards are huge — not just money, but love from fans, global fame, and the chance to live their dream.

The Price of Stardom

So next time you watch a K-pop video or cheer for your favorite bias, remember — they’ve trained for years, cried behind closed doors, faced rejection, and still chose to shine.

For Indian fans who often face tough competition in school, jobs, or careers, the trainee journey is something we can relate to. The struggle might be different, but the dedication is the same.

And hey — if you ever want to become a K-pop idol yourself, remember: it takes more than just a pretty face. Start dancing, singing, and maybe… who knows? Someday you might be on that stage too!

Uruba Kashish


Uruba Kashish completed her schooling in Commerce, bachelor's in English literature& Education. Currently doing her Masters in Translation studies (MATS). She is working as a Educational content writer with reputed websites like LKI, Annyeong India & TOPIK Guide. She is a Korean language and culture enthusiast and has been working across multiple disciplines which broadly addresses narratives of similarities between Korean and Indian culture. Apart from being a content writer at LKI, she is a Korean language Instructor at LKI. She has had her pieces published in TOPIK GUIDE and Annyeong India websites as well. In her other life, she is a rising entrepreneur, life enthusiast and a learner and is involved with multiple Korean-Indian projects.

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