Trust refers to the act that the trustor entrusts his legally owned property to the trustee based on his trust in the trustee (trust and investment company), and the trustee manages or disposes in his own name for the benefit of the beneficiary or for a specific purpose according to the wishes of the trustor. Generally speaking, it is "entrusted to manage money on behalf of others". A fund company is a joint stock limited company that raises funds by issuing stocks and invests in the securities market. The sponsors of fund companies are generally investment banks, investment consulting companies, securities firms or insurance companies. Fund companies generally entrust external fund managers to manage fund assets and entrust other financial institutions to trust fund assets. Fund companies need to operate according to corresponding rules and regulations, and Public Offering of Fund companies must accept the supervision and management of relevant state departments.