Pimples, or acne, are generally caused by chronic inflammation of the sebaceous glands of the hair follicles. When redness occurs, it is recommended to consult a doctor in time to relieve the symptoms through medication and physical therapy. 1. Medication: Topical antibiotics such as clindamycin and fusidic acid can be used as prescribed by the doctor; Vitamin A drugs such as adapalene and retinoic acid ointment, or drugs such as azelaic acid and benzoyl peroxide can improve the inflammatory papules of acne; when inflammatory reaction is obvious, antibiotics such as doxycycline and minocycline can be taken orally in order to fight inflammation and promote the receding of the lesions. 2. Physical therapy: such as combined red and blue light and other physical therapy, in order to achieve antibacterial and anti-inflammatory effect. It is recommended to use medication under the guidance of a doctor, acne redness, pay attention to skin care, do not scratch, squeeze, to avoid aggravation of the infection, pay attention to a light diet, regular work and rest, can help to improve the symptoms.