Legal analysis: According to the relevant laws and regulations of our country, when an appeal is filed, the parties may entrust an agent to appeal, and the appeal may be filed with the people's court by the agent, and the second instance shall be conducted by the agent. The power of attorney must specify the entrusted matters and authority. An agent ad litem must have the special authorization of the client, and can admit, waive or change the claim, make a settlement, file a counterclaim or appeal on his behalf.

Legal basis: Article 59 of People's Republic of China (PRC) Civil Procedure Law entrusts others to represent the lawsuit, and a power of attorney signed or sealed by the client must be submitted to the people's court. The power of attorney must specify the entrusted matters and authority. An agent ad litem must have the special authorization of the client, and can admit, waive or change the claim, make a settlement, file a counterclaim or appeal on his behalf. The power of attorney sent or entrusted by China * * and China citizens living abroad must be authenticated by China * * and China's embassy or consulate in that country; If there is no embassy or consulate, it shall be certified by the embassy or consulate of a third country that has diplomatic relations with the people of China, and then by the people of China and the embassy or consulate of China in a third country, or by the local patriotic overseas Chinese delegation.