Fifty days after lung surgery, itchy around the incision, usually due to scar proliferation, wound infection, suture rejection and other reasons, we suggest that the patient first find the cause of the disease, and then do the treatment. 1. Keloid proliferation: Fifty days after the operation, the wound is in the stage of keloid growth, if the itch around the incision may be caused by keloid proliferation, such as for the keloid body it is recommended to consult a doctor for treatment in a timely manner, such as the scar at the incision, there is no obvious reddening of the scar and bulging, and with the extension of time, the symptoms will gradually disappear, and usually no need to do special treatment. 2. Wound infection: If the itchiness around the incision is caused by wound infection, patients can use mupirocin ointment, fusidic acid ointment, erythromycin ointment and so on to carry out antibacterial treatment under the guidance of the doctor, or oral antibiotic drugs, such as amoxicillin, cephradine, cefixime and other drugs. 3. Suture rejection: if the patient is suture rejection caused by the itch around the incision, because the incision of the inner layer of the suture is often used absorbable thread, rarely appear rejection reaction, some patients can appear absorbable thread can not be absorbed and self-exhaustion of symptoms, it is recommended to go to the hospital for the removal of the suture or medication treatment. It is recommended that patients closely observe the incision during the recovery process, and consult a doctor in a timely manner if malignant changes occur.