Legal analysis: According to the requirements of relevant laws, as long as the contents concluded by both parties do not violate the basic provisions of the law, the agency agreement is valid and reflects the law's respect for the autonomy of the parties to the contract. The invalid situation stipulated by law refers to: one party concludes a contract by means of fraud or coercion, which harms the national interests; Malicious collusion, harming the interests of the state, the collective or the third party; Cover up illegal purposes in a legal form;

Harm the public interest, etc.

Legal basis: Article 470th of the Civil Code of People's Republic of China (PRC). The contents of a contract are agreed upon by the parties, and generally include the following terms: (1) the name and domicile of the parties; (2) Subject matter; (3) quantity; (4) quality; (5) Price or remuneration; (6) Time limit, place and method of performance; (7) Liability for breach of contract; (8) Methods for resolving disputes. The parties may conclude a contract by referring to the model texts of various contracts.