The power of attorney need not be notarized. Power of attorney generally refers to the power of attorney, which entrusts others to exercise their legitimate rights and interests on their behalf, and the client needs to produce the legal documents of the client when exercising his power. The trustor shall not abandon the entrusted matters for any reason. If the client makes any rights and interests that violate national laws, the client has the right to terminate the entrustment agreement. Within the scope of the legitimate rights and interests of the principal's power of attorney, all the duties exercised by the principal shall be borne by the principal, and the principal shall not bear any legal responsibilities. Article 18 of the Rules of Notarization Procedure stipulates that a natural person, legal person or other organization shall submit the following materials when applying for notarization: (1) the identity certificate of a natural person, the qualification certificate of a legal person and the identity certificate of its legal representative, the qualification certificate of other organizations and the identity certificate of its responsible person; (2) Where an application is entrusted to another person as an agent, the agent shall submit the power of attorney of the party concerned, and the legal agent or other agent shall submit the power of attorney; (3) documents for notarization; (four) the certification materials for notarization, which involve property rights, shall submit the relevant property rights certificates; (5) Other materials related to notarization.