Legal analysis: it is illegal. The consequence of operating a remedial class without a license is to revoke and confiscate the illegal income. In violation of laws, regulations and relevant provisions of the state, the establishment of schools or other educational institutions shall be revoked by the administrative department of education; If there are illegal gains, the illegal gains shall be confiscated. Undocumented remedial classes violate the regulations that relevant state units or individuals must obtain relevant qualifications and business licenses before they can engage in market economic activities, thus forming an actual unlicensed operation.

Legal basis: Article 64 of the Law on the Promotion of Private Education in People's Republic of China (PRC) violates the relevant provisions of the state, and the education administrative department or the administrative department of human resources and social security of the local people's government at or above the county level shall, in conjunction with the relevant departments of public security, civil affairs or market supervision and management at the same level, order it to stop running schools, refund the fees collected, and impose a fine of more than one time but less than five times the illegal income on the organizers; If it constitutes a violation of public security administration, it shall be punished by the public security organ according to law; If a crime is constituted, criminal responsibility shall be investigated according to law.