The hard and hard armpit after axillary deodorant surgery may be the local tissue hematoma that appears immediately after the surgery, or it may be the scar formed after the surgery, which can be improved or removed by general treatment, medication and phototherapy after clearing the cause of the disease. 1. Local tissue edema: local hardness after axillary surgery may be the immediate local tissue hematoma, it can be temporarily observed, keep the local dry, clean, avoid infection, etc. After the acute stage, the hematoma can be self-absorbed and subside; it can also be used externally to promote the absorption of the hematoma, such as Mucopolysaccharides Polysulfate Cream. 2. Postoperative scar: local hardness after axillary deodorant surgery may also be the formation of postoperative scar, which can be improved by topical silicone preparation or inhibited by local injection of hormone or 5-fluorouracil, etc.; photoelectricity can also be applied, such as exfoliative fractional laser, etc., which can improve or remove the scar. It is recommended that patients with axillary hardness after armpit deodorant surgery should go to regular hospitals in time to clarify the cause of the disease and then standardize the treatment under the guidance of the doctor.