Legal analysis: Hospital operations can be signed by non-immediate family members, but in general, immediate family members are required to sign. Legally speaking, the consent of surgery, anesthesia and power of attorney can be signed by the patient himself, but in practice, the hospital often requires the patient himself and his close relatives to sign the consent of surgery and anesthesia. The main purpose of the hospital is to avoid the risks that may be brought by the operation, and to prevent the troubles and disputes that the unpredictable risks in the operation may bring to the hospital and medical staff. The purpose of signing is that the hospital will fulfill its obligation to inform patients of the medical measures to be taken next, or the necessity, risks and many other factors. If the patient signs, it means that he agrees with the hospital's surgical measures and is willing to take risks. In fact, the hospital is doing this to avoid medical disputes to the maximum extent.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 1219 Medical personnel shall explain the patient's condition and medical measures in their medical treatment activities. If surgery, special examination and special treatment are needed, the medical staff shall explain the medical risks and alternative medical schemes to the patients in a timely manner, and obtain their clear consent; If it is impossible or inappropriate to explain it to the patient, it shall explain it to the patient's close relatives and obtain their clear consent. Medical institutions shall be liable for compensation if medical personnel fail to fulfill the obligations stipulated in the preceding paragraph and cause damage to patients.

Article 1220 If the opinions of the patient or his near relatives cannot be obtained due to emergency situations such as rescuing dying patients, corresponding medical measures can be implemented immediately with the approval of the person in charge of the medical institution or the authorized person in charge.