Patient: Hello, the surface of my calf skin has been cut and tested for chronic hypertrophic dermatitis, the affected area for several years, but never cured, the hotter the day the affected area more oxygen, the surface of the affected area is a little hard, also ate a little effect of Chinese medicine, but in the summer a little relapse. A: Hello! The actual fact is that you can find a lot of people who have been in the business for a long time. The cause of neurodermatitis is not completely clear, and may be closely related to mental tension, emotional stress, local irritation, genetic predisposition, etc. It is recommended that under the guidance of the local dermatologist, appropriate types of drugs and dosage forms should be selected and applied or packaged according to the location, size and degree of thickening, and local sealing or small area cryotherapy can also be selected according to the situation.