The signature of the patient's opinion on diagnosis, treatment approval and choice cannot appear alone in the inpatient medical records. Because the premise of giving informed consent to patients is that medical personnel need to fully inform them, and the content of the information is related to whether the patients agree or not and their signatures, both of which are indispensable. The routine informed consent work should adopt a special informed consent form. If there is no informed consent form or the opinions are agreed or abandoned in emergency treatment and rescue, it should be written immediately after the course of the disease is recorded. First of all, the doctor should state the patient's current condition and the implemented diagnosis and treatment plan in detail, then start a new line, indicate the time, write the diagnosis and treatment opinions and pros and cons by the doctor, and finally write the opinions and signatures by the patient. If the patient is illiterate, he can dictate his opinions and ask someone to write them by hand without signing them (with his right thumb, or with his left thumb if he lacks it). The author should indicate who wrote it and who wrote it.