Legal analysis: 1. If you have been trained by the company with a special training fee when you join the company, there will be a clear agreement in the labor contract or the specially signed training agreement that you need to set the service period. If you leave before the end of the service period, you need to pay the training fee for the unfinished part of the service period. 2. 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.

Legal basis: People's Republic of China (PRC) Labor Contract Law.

Article 3 The conclusion of a labor contract shall follow the principles of legality, fairness, equality, voluntariness, consensus through consultation, honesty and credibility. The labor contract concluded according to law is binding, and the employer and the employee shall perform the obligations stipulated in the labor contract.

Article 10 To establish labor relations, a written labor contract shall be concluded. If a labor relationship has been established and a written labor contract has not been concluded at the same time, a written labor contract shall be concluded within one month from the date of employment. If the employer and the employee conclude a labor contract before employment, the labor relationship shall be established from the date of employment.

Article 36 The employing unit and the employee may terminate the labor contract through consultation.