The sequelae of small needle knife generally refer to mild localized pain, scarring, etc., which are usually not serious and have less impact on health. Small Scalpel is an external treatment method of Chinese medicine. Small Scalpel treatment in regular medical institutions and in accordance with the operation specification will generally not have serious sequelae. As small needle knife is a traumatic method of external treatment of Chinese medicine, when performing small needle knife treatment, the common discomfort is the feeling of local pain, which can be relieved by local anesthesia. In addition, there may be scarring due to localized trauma after performing a minor needle knife procedure. These aftereffects are relatively mild for most patients. However, there are some people who may develop more noticeable scars or even have keloids appear. Small needle knife is a traumatic treatment, should go to a regular hospital, by a professional physician to avoid damage to the body.