Legal analysis: send an email to a lawyer to review the contract, and you can communicate with the lawyer directly to fill it out. Power of attorney means that the principal entrusts the trustee to handle something, and the authorization authority can be clearly written. If a lawyer is involved in reviewing the contract, it is good to directly review it without a power of attorney. If business information is involved, a confidentiality contract can be signed. The agent shall handle the entrusted affairs according to the instructions of the principal. If it is necessary to change the client's instructions, it shall be approved by the client; If it is difficult to get in touch with the client due to an emergency, the agent shall properly handle the entrusted affairs, but shall report the situation to the client in time afterwards.

Legal basis: Article 9 19 of the Civil Code of People's Republic of China (PRC) is a contract in which the client and the trustee agree that the trustee shall handle the client's affairs.