Recurrent acne in one area of the skin may be related to acne, folliculitis, and ringworm. 1. Acne: The onset of acne is usually related to endocrine, bacterial infection, and abnormal keratinization of sebaceous glands. Patients will have pimples, papules and pustules. If the patient’s androgen levels are consistently high, it may lead to recurrent acne in one area of the skin. 2. Folliculitis: The onset of folliculitis may be caused by pathogens infecting the hair follicles, and trauma, hair pulling and other factors may also lead to localized. Patients will appear red papules, pustules and other symptoms, some patients may appear in a part of the skin repeatedly acne. 3. Tinea corporis: the onset of tinea corporis is mostly related to dermatophyte infections, and patients will have symptoms such as papules, papules, and blisters, red scaly patches, and so on. If the body is often infected by ringworm bacteria, it may lead to repeated acne in one part of the skin. There are many causes of recurrent acne in one area of the skin, and patients are advised to seek medical examination to clarify the cause.