For long-term residual threads can be self-observed for a period of time, serious cases need to go to the hospital for removal, long-term retention may have the risk of infection. 1. Self-observation: after surgery for the absorbable thread can not be effectively absorbed, the phenomenon of rejection can be self-observation for a period of time, usually after a certain period of time will fall off on their own. 2. Immediate removal: when the local symptoms are obvious, there may be infection need to consult a doctor in a timely manner, by a professional doctor to remove, and the local standardized care, regular medication, under the guidance of the doctor to use some antibiotics to prevent infections, such as amoxicillin, etc., the patient also needs to adjust the results of the diet, the diet as light as possible, to avoid spicy stimulation. Postoperative line can be first observed for a period of time, can not remove by hand, there will be the possibility of infection, you need to go to the hospital in time, by a professional doctor to remove the line, and at the same time you need to do a good job of local care.