Pimples with white pus inside may be caused by acne, folliculitis and so on. It is recommended to take good daily care, give medication, photodynamic or surgical treatment to facilitate the recovery of the disease. 1. Acne: Pustular lesions of acne may manifest as white pus inside the pimples. If the symptoms are mild, it is recommended to take good care of the skin, clean the face with mild cleansing products and avoid prolonged sun exposure. It can be treated with medication under doctor’s guidance, such as topical retinoids and oral antibiotics. 2. Folliculitis: Bacterial infection caused by folliculitis may lead to localized single or multiple red papules, and the progress of the disease may lead to pus. It can be treated with topical antibiotics under the guidance of a doctor, or by surgical incision and postoperative anti-infection treatment, which can promote recovery. Pimples with white pus inside, in addition to good local care, but also with the doctor’s advice for treatment, in order to promote the recovery of the disease.