Hard lumps in cystic surgical wounds may be related to infections, scarring and other causes, which need to be further differential diagnosis by doctors. 1. Infection: If the cyst surgical wound is infected by Staphylococcus aureus and other pus-filled bacteria, it can cause local abscesses, resulting in hard lumps in the surgical wound, which may be accompanied by pain and other symptoms. By disinfecting and changing the dressing, taking amoxicillin, cefaclor and other antibiotic treatment, usually within a few days the inflammation can subside. If necessary, can again surgical incision, drainage of pus, regular medication change treatment. 2. Keloid hyperplasia: Surgical wounds require scar healing, and in the process of scar formation, hard hyperplastic scars or even keloid scars can appear. It is recommended that the cyst surgery wound with hard lumps go to a regular hospital to clarify the cause, if you need treatment, should be standardized treatment under the guidance of the doctor, so as not to delay the condition of the body to bring adverse effects.