The small red marks left on the skin after needling may be due to the local subcutaneous tissue after needling, hair follicles after stimulation leading to vasodilatation, resulting in the formation of red marks, allergies and other causes. 1. Capillary rupture: after the needle prick, resulting in subcutaneous capillaries were pierced, resulting in bleeding formed red marks, this situation generally do not need special treatment, in two or three days will be better. You can also use some of the acne marks ointment to relieve the symptoms, such as polysulfonic acid mucopolysaccharide cream. 2. Allergy: In addition, if the itchy symptoms appear in the red marks, it can not be ruled out that it belongs to the allergic reaction, which may be caused by the incomplete disinfection of the fungus or allergy to metal. It can be treated by taking anti-allergy drugs. Such as benadryl, ipecac, and so on. If the patient has other symptoms, or if the red marks are serious, he should go to the hospital for treatment in time.