Dense small pimples on the face need to be treated according to the specific causes, such as folliculitis, heat rash, acne, etc., after a clear diagnosis, choose general treatment, medication, laser treatment and other ways. 1. Folliculitis: the dense small acne on the face may be due to folliculitis, which can be accompanied by redness, swelling and pain, it is recommended that patients do a good job of cleaning the face, and at the same time, follow the doctor’s instructions to use mupirocin ointment, erythromycin ointment, topical, to improve the symptoms. 2. Heat rash: face long dense small pimples may belong to the heat rash, is due to the heat of the day due to heat, the patient should pay attention to the regulation of indoor temperature, keep the skin clean and dry, at the same time can choose to use topical glycerine lotion to relieve the symptoms. 3. Acne: Heredity, hyperkeratosis of hair follicles, propionibacterium acnes colonization and other factors may cause the phenomenon of dense small pimples on the face. It is recommended that patients can choose red and blue light irradiation to improve the symptoms, can achieve the effect of antibacterial, and at the same time, the external use of retinoic acid cream, adapalene gel and other drugs. There are a lot of reasons why the face is full of small pimples, it is recommended to go to the hospital in time to improve the examination after the symptoms, follow the doctor’s instructions to take standardized treatment, do not treat privately, so as not to lead to adverse consequences.