A factory security guard changed his destiny by studying hard, transforming his salary from 400,000 to 3 million as a tech industry success story. He shared his experience on the Dcard forum, emphasizing how a college major can impact future employment.

This man graduated from a first-category program but initially worked as a security guard with a salary of only 400,000. One day, he stumbled upon an article about the "Computer Science Entrance Exam" and found it inspiring, prompting him to purchase a complete set of study materials. He utilized his working hours to study, often sacrificing weekends at the gym or the library.

After two years of hard work, he successfully passed the entrance exam to one of the top engineering schools in Taiwan and secured a job at a leading tech company, with a salary now more than eight times his previous income, exceeding 3 million. He encourages those who seek to turn their lives around by suggesting that they prepare for the Computer Science Entrance Exam, stating that having educational credentials opens the door to interviews, with the rest relying on skills and opportunities.

In response to perceptions that the tech field is overly competitive and saturated, he argues that this is a misconception, claiming the industry is always in need of talent. He concluded by encouraging everyone, stating that persistence leads to success.