Item (14) of Article 53 of China's Civil Service Law stipulates: "Civil servants must abide by discipline and shall not engage in the following activities: engage in or participate in profit-making activities and hold concurrent positions in enterprises or other profit-making organizations."

Therefore, civil servants with teacher qualification certificates can't be tutors and can't do paid part-time jobs such as cram schools.

Extended data:

On-the-job civil servants are not allowed to work part-time in intermediary institutions.

Beijing has started the "Red Top Intermediary" campaign. In the future, institutions, social organizations and enterprises organized by the examination and approval department shall not carry out intermediary services related to the administrative examination and approval of this department, and those that need to be carried out shall be transformed into enterprises or decoupled from the competent departments. Government functionaries are not allowed to work part-time in intermediary service institutions.

Civil servants, including those in institutions managed by reference to civil servants, are not allowed to hold part-time jobs in enterprises. Those who have already worked part-time can have two choices: to be a civil servant and not to work part-time in an enterprise; Improper civil servants, transferred to enterprises.

Baidu encyclopedia-part-time civil servants