Perianal eczema is neither a fungal nor a bacterial infection. Perianal eczema is a skin disease caused by a variety of internal and external factors. External factors include local trauma and friction; including the stimulation of secretions from anal and intestinal diseases, such as hemorrhoids, rectal prolapse, anal incontinence, etc.; and including allergies to food such as milk, eggs, fish and shrimp. Internal factors include constitution and heredity; including mental factors, such as mental tension, anxiety, depression, etc.; including digestive system dysfunction, etc.. There is no direct relationship with fungal and bacterial infections, so perianal eczema is neither fungal nor bacterial infection. Perianal eczema is a chronic, recurrent inflammatory skin disease, once diagnosed, it is recommended to go to the hospital in a timely manner to the hospital for treatment, medication as prescribed by the doctor during the treatment period, and go to the hospital on a regular basis for review, which will reduce recurrent episodes of the disease.