What part-time job is more reasonable for the tax bureau?

You can't work part-time in the tax bureau. The tax bureau is an administrative unit, which is vertically managed by the central government. The staff managed by State Taxation Administration of The People's Republic of China are civil servants, who enjoy the salary and welfare benefits of civil servants according to law, and the overall treatment is still very good. At the same time, as civil servants, it is also strictly managed according to law. According to the Regulations on the Administration of Civil Servants, it is strictly forbidden for on-the-job civil servants to take part-time jobs for remuneration. If it is found that there are behaviors such as part-time remuneration and doing business, it is a violation of discipline, and the discipline inspection and supervision organs can file an investigation and give corresponding treatment.