You can't. According to China's medical laws and regulations, doctors need to have corresponding qualifications and experience to sign and write medical records. Under normal circumstances, the deputy chief physician of plastic surgery has high medical technology and rich clinical experience, and can diagnose and treat patients and sign relevant medical records. For minimally invasive junior doctors, more guidance and supervision are needed in medical practice, especially for complicated cases or operations. In this case, it is necessary to be guided by a senior attending physician, deputy chief physician or chief physician, and sign the medical record under their supervision.