It is not illegal for teachers to work as part-time lawyers. Teachers engaged in law teaching can work as part-time lawyers.
 Part time employment means part-time employment. China's laws do not prohibit part-time employees from signing labor contracts with multiple employers, but the labor contracts concluded later shall not affect the performance of the labor contracts concluded earlier.
 According to the provisions of the Labor Contract Law of China, part-time employment is a form of employment in which hourly remuneration is the main form, and the average daily working hours of workers in the same employer generally do not exceed four hours, and the cumulative working hours of workers per week do not exceed twenty-four hours.
 Both parties to part-time employment may conclude an oral agreement. A worker engaged in part-time employment may conclude a labor contract with one or more employers; However, the labor contract concluded later shall not affect the performance of the labor contract concluded earlier.
 Legal basis
 Article 68 [Concept of part-time employment] of the Labor Contract Law of the People's Republic of China (2012 Revision) refers to part-time employment, which is mainly based on hourly remuneration. Generally, the average daily working hours of workers in the same employer do not exceed four hours, and the cumulative working hours per week do not exceed twenty-four hours.
 Article 69 of the Labor Contract Law of the People's Republic of China (2012 Revision) [Labor Contract for part-time employment] Both parties to part-time employment may conclude an oral agreement.
 A worker engaged in part-time employment may conclude a labor contract with one or more employers; However, the labor contract concluded later shall not affect the performance of the labor contract concluded earlier.