Folliculitis is not contagious to family members. Folliculitis is a common infectious disease in dermatology, and common causative agents include bacteria such as Streptococcus B hemolyticus, Staphylococcus aureus, or fungi such as Malassezia. Folliculitis is a localized inflammatory reaction that occurs in the head, face, back, chest and other parts of the body, manifested as inflammatory papules in the hair follicle area, and its onset is related to a variety of factors such as individual physique, infection, habits, etc. Although some cases can be caused by scratching and make the lesions expand, this disease is limited to the spread of pathogens caused by scratching the local area, does not belong to the infectious disease, so it will not be infected with family members. It is recommended to pay attention to a reasonable diet, to ensure the intake of nutrients, and at the same time pay attention to avoid greasy, spicy stimulating food intake, in order to prevent aggravation of skin lesions and discomfort. Pay attention to personal hygiene, bathe and change clothes frequently. If you have folliculitis, it is recommended to go to the hospital for treatment.