Some Preventive Steps: Keep Dry: Keep your dog’s body hair dry, and use a dryer to dry it thoroughly after bathing; Choose Right Shampoo: Use dog-formulated shampoo to prevent dry skin and allergy; Groom Regularly: Grooming your dog can help remove shedding hair which is still wrapped around the body and dandruff on the skin, and guarantee hair root and skin to be ventilated. So It will reduce the growth of bacteria in the first place; Environmental Hygiene: Keep your home environment clean and hygienic. Regularly cleaning and disinfecting to prevent dogs from being infected with parasites; Balanced Diet: To ensure a balanced nutrition for your dog. Your dog’s body immunity will be weak if it lacks certain trace elements. Your dog thereupon will get some problems, including skin diseases.