Family members should sign. Legally speaking, the consent form of operation, anesthesia and power of attorney can only be signed by the patient himself, but in practice, the hospital often requires the patient himself and his close relatives to sign the consent form of operation and anesthesia.

Legal basis:

People's Republic of China (PRC) Civil Code

Article 128 If a patient suffers damage in medical activities and the medical institution or its medical personnel are at fault, the medical institution shall be liable for compensation.

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.

Article 1221st If medical personnel fail to fulfill their medical obligations corresponding to the medical level at that time, thus causing damage to patients, medical institutions shall be liable for compensation.