Is the insurance company's equity management method a regulation?

Yes The Measures for the Administration of Equity in Insurance Companies belong to departmental regulations in legal norms, not laws and administrative regulations. However, the Measures for the Administration of Equity in Insurance Companies is based on Article 134 of the Insurance Law of People's Republic of China (PRC), which stipulates that the insurance supervision and management institutions in the State Council shall formulate and issue relevant provisions on insurance supervision and management in accordance with laws and administrative regulations, and is explicitly authorized by the CIRC to maintain the stable operation of insurance companies, protect the legitimate rights and interests of investors and the insured, and expand insurance companies.