The common causes of red dots on chest include acne, folliculitis, cherry angioma, etc. Different diseases have different treatments, so you should consult a doctor in time to clarify the cause of the disease and then carry out targeted treatment, including medication and physical therapy. 1. Acne: It occurs on the chest, face, etc., and can be manifested as red raised pimples. Patients can use topical azelaic acid, adapalene gel and other medications to apply under doctor’s guidance. For patients with moderate or severe acne, isotretinoin and tetracycline can also be given orally. 2. Folliculitis: For patients with folliculitis caused by bacterial infection, mupirocin ointment and fusidic acid cream can be used externally as prescribed by the doctor. Fungal infection, can be prescribed topical naftifine ketoconazole and other antifungal drugs. 3. Cherry angioma: this is a common benign acquired hemangioma, manifested as bright red to purple hemispherical papules, the patient has no obvious symptoms, usually without treatment. However, if the skin lesions are large and affect the aesthetics, physical methods such as liquid nitrogen freezing and laser can be used for treatment. Red spots on the chest should be treated accordingly by a doctor on the basis of a clear cause.