A small sarcoma at the C-section incision may be caused by localized keloid hyperplasia, thread reaction, and localized infection. It can be treated by drugs and surgery. 1. Localized keloid hyperplasia: If the mother is a scarred body, the localized keloid hyperplasia at the incision is easy to form a small sarcoma, and usually there are no other uncomfortable symptoms. At this time, medication, surgery or laser treatment can be taken. 2. Knot reaction: If there is no obvious pain and redness or swelling in the small sarcoma, it may be caused by the threads not absorbed, and the small sarcoma will gradually subside after the threads are absorbed. If the mother has local pressure and pain and other uncomfortable symptoms, it can be treated by removing the nodes, changing the medication regularly and giving sensitive antibiotics such as cefixime and other drugs. 3. Localized infection: the small sarcoma at the incision of cesarean section of pregnant women also often has redness, swelling, oozing and other abnormalities. At this time, attention should be paid to regular medication changes, giving sensitive antibiotics such as amoxicillin, cefixime and other treatment. Note that the above drugs should be used under the guidance of a doctor, avoid unauthorized use of drugs, so as to avoid adverse effects. If a woman has a small sarcoma at the incision of cesarean section, it is recommended to seek medical treatment in time, improve the relevant examination, clarify the cause of the disease, and symptomatic treatment.