Legal analysis: specific analysis of specific circumstances. 1. Signature of family member or related person is required. Such as parents, children, son-in-law, lover and other immediate relatives. 2, must obtain the consent of the patient, and should obtain the consent and signature of their families or related people; If the patient's opinions cannot be obtained, the consent and signature of the family members or relevant personnel shall be obtained. 3. If the opinions of the patient or his close relatives cannot be obtained, the medical staff will immediately implement the corresponding medical measures with the approval of the relevant person in charge, and the people's court will not support the patient's request to the medical institution to bear the liability for compensation. If the medical institution fails to implement the measures and causes damage to the patient, the medical institution shall be liable for compensation.

Legal basis: Article 33 of the Regulations on the Administration of Medical Institutions stipulates that when a medical institution performs surgery, special examination or special treatment, it must obtain the consent of the patient, and his family members or relevant personnel should agree and sign; If the patient's opinion cannot be obtained, it shall be agreed and signed by the family members or relevant personnel; When patients' opinions cannot be obtained and no family members or related personnel are present, or other special circumstances are encountered, the attending physician will put forward a medical treatment plan, which will be implemented after being approved by the person in charge of the medical institution or the authorized person in charge.