Legal analysis: According to legal provisions, parties may entrust an agent to conclude a contract in accordance with the law. Therefore, the contract can be signed by others. The principal shall bear civil liability for the agent's acts of agency. If you entrust someone else to sign a contract on your behalf, the legal consequences arising therefrom will be borne by the agent. However, contracts involving personal nature such as adoption agreements, divorce agreements, legacy custody agreements, etc. must be handled by the parties themselves and cannot be signed by others. To conclude a contract, the parties shall have corresponding civil rights capacity and civil conduct capacity. The parties may entrust an agent to conclude a contract in accordance with the law. Civil subjects can carry out civil legal acts through agents. In accordance with the provisions of the law, the agreement of the parties, or the nature of the civil legal act, civil legal acts that should be carried out by the person himself shall not be represented by an agent. Civil legal acts performed by an agent in the name of the principal within the scope of agency authority shall be effective against the principal.

Legal basis: "The People's Republic of China and the Civil Code"

Article 919 An entrustment contract is an agreement between the client and the trustee, and the trustee shall handle the client's affairs. business contract.

Article 922 The trustee shall handle the entrusted affairs in accordance with the instructions of the principal. If it is necessary to change the principal's instructions, the principal's consent must be obtained; if it is difficult to contact the principal due to an emergency, the trustee shall properly handle the entrusted affairs, but shall promptly report the situation to the principal afterwards.