Eyebrow acne may be related to acne, folliculitis and eczema. 1. Acne: The cause of acne is related to heredity, bacterial infection and endocrine factors, and patients will develop pimples, papules and pustules, which are most common on the face and back, etc. Folliculitis: The main symptoms are red papules and pustules centered on hair follicles. 2. Folliculitis: the main symptom is red papules and pustules centered on hair follicles, which can occur in any hairy area, and its causes may be related to bacterial infections, trauma, hair plucking and other factors. 3. Eczema: its cause is more complex, may be related to allergies, genetics, environment and immune abnormalities and other factors, the patient will appear erythema, edema and pimples and other symptoms, commonly found on the head, face and other places. There are many reasons for eyebrow acne, and it is recommended that patients seek medical examination to clarify the cause.