In winter, dermatitis is committed for the following reasons: 1, may be related to winter cold, dry; 2, sebaceous glands secrete sebum function is reduced, the skin surface sebaceous membrane thinning or missing can cause dermatitis; 3, winter wear chemical fibers, cashmere type of clothing can be caused by the corresponding allergic reaction. Dermatitis patients treatment is recommended moisturizing treatment, you can apply dimethylsiloxane oil, petroleum jelly oil, urea cream, etc., but also oral orotidine hydrochloride tablets, epirubicin hydrochloride capsules, external hydrocortisone butyrate ointment, Haxenaide ointment to smear the local pimples, maculopapular rash and other rashes, the need to avoid alcohol during the treatment period.