Pimples on the skin can be caused by a variety of factors, such as acne, folliculitis, pityriasis rosea and eczema, and it is recommended to remove them through medication under the guidance of a doctor to clarify the specific cause of the disease. 1. Acne: Acne is usually caused by exuberant secretion of androgens, which in turn leads to exuberant secretion of oil and sebum that clogs the hair follicles, and if it is followed by bacterial infections, inflammatory pimples, pustules and other conditions may appear. At this time, you can use topical retinoids such as adapalene gel, tazarotene gel, antibiotics such as fusidic acid, mupirocin ointment and other drugs. If necessary, oral isotretinoin capsules, doxycycline tablets and other drugs. 2. Folliculitis: Folliculitis is usually caused by bacterial infection, and can be treated with topical antibiotic ointment, such as mupirocin ointment and fusidic acid ointment. 3. pityriasis rosea: pityriasis rosea may be related to viral infection. This disease has a certain self-limiting, in the treatment of glycerite lotion, glucocorticoid ointment such as mometasone furoate. 4. Eczema: Eczema is caused by internal and external stimulation of a variety of factors, in the treatment of glucocorticosteroids can be used externally, such as dieldrin cream, hydrocortisone butyrate cream and so on. For patients with pimples, it is recommended to go to the regular hospital in time, under the guidance of professional doctors for standardized treatment. Drugs need to be used in accordance with medical advice.