Itchy cesarean section scars are usually considered to be related to scar repair in some way. The formation of the scar after cesarean section is divided into three periods: inflammation, proliferation and maturity. During the period of proliferation and repair of the C-section scar, the scar area is prone to itching. This condition of scar itching generally indicates that the scar is in the proliferation and repair period, at this time the new blood vessels and nerves and so on are actively repairing the wound, these tissues are crowded together, especially dense, the newborn nerves are easy to be stimulated. At the same time, the newborn nerve endings are very sensitive, it will produce the feeling of scar itching. If the scar continues to itch, accompanied by local redness, swelling and pain, this situation needs to be considered allergies or abnormal lesions may be caused by the need to go to the local hospital gynecology or cosmetic plastic surgery department in time to find out the specific causes of the targeted treatment program.