Legal analysis: There are no specific categories, including pre-job training and special training. The provisions of the Labor Contract Law on training fees, under what circumstances, the employer can not charge employees training fees; 1. Pre-job training is the legal obligation of the employer, and no fees shall be charged, and no liquidated damages and service period shall be agreed; Special training, also known as professional skills training, enterprises should pay the training fee in advance, but they can agree on the service period and liquidated damages with employees. If the employee leaves his post during the service period, the employer may apply for labor arbitration and require the employee to pay the corresponding liquidated damages as agreed by both parties.

Legal basis: Article 22 of People's Republic of China (PRC) Labor Contract Law. Where an employer provides special training fees for laborers and provides them with professional and technical training, it may conclude an agreement with the laborers to stipulate the service period. If the laborer violates the service period agreement, he shall pay liquidated damages to the employer in accordance with the agreement. The amount of liquidated damages shall not exceed the training expenses provided by the employer.