During the treatment process, you first need to trim the hair around the affected area to expose the affected area to facilitate later treatment. Secondly, clean up all the pus in the lesion, rinse it with saline, and then disinfect it with diluted hydrogen peroxide. , then apply antibacterial and anti-inflammatory antibiotics, and finally put an Elizabethan ring on the dog to prevent the dog from licking the medicine. During the recovery period, give your dog food with high nutritional value and rich ingredients to improve the body’s immunity.