Positive signs refer to the changes in a patient’s physical signs that are detected by the doctor through a series of examinations, such as touch, hearing, sight, and percussion. Positive signs reflect some kind of disease or some kind of abnormal state of the body, in simple terms, this kind of signs can know what kind of disease, which is very important for the diagnosis of the disease. These signs are detected by the doctor using a physical examination. Different diseases have different positive signs, and the doctor needs to determine the specific type of disease based on the results of the physical examination. However, positive signs are not entirely a sign of disease, but are normal if they are inherent in the human body, such as physiological reflexes. If there is any discomfort, it is recommended to go to the hospital in time for a clear diagnosis and standardized treatment.