Acne on the face and neck is called folliculitis, which can also be called acne in young people. It is caused by staphylococcal infection and occurs for the following reasons. First, more skin oil secretion; second, excessive consumption of greasy, spicy and sweet food; third, more intense work and study, high stress, fatigue, staying up late; fourth, long-term use of glucocorticoids. After the face and neck acne, you should pay attention to keep the skin clean, eat a light diet, eat less sweets as well as greasy and spicy food, ensure sleep, topical application of mupirocin ointment, erythromycin ointment, microserene gel dressing, serious oral acne pills, Pudilan oral solution, etc.