There are many types of dog skin diseases. Medication should be used according to the specific situation. Blind use of drugs will aggravate the dog's condition. If it is a fungal infection, you can use topical antifungal drugs, such as: terbinafine spray, If it is caused by mites, it is recommended to go to the pet hospital for examination and treatment. Medicinal baths during this period will help recovery, improve the dog's diet, and deworm the dog regularly to reduce infection.