Enlarged pores on forehead may be due to exuberant secretion of sebaceous glands and lack of attention to cleanliness, which can be improved by strengthening skin care, using fractional laser treatment and medication. 1. Enhance skin care: poor skin hygiene and excessive oil secretion will directly affect the pores, which is the main cause of enlarged pores. In daily life, pay attention to keep the skin clean, the use of oil-free, refreshing hydrating skin care products to moisturize the skin, promote the balance of oil and water, can improve the phenomenon of large pores. 2. Fractional laser treatment: the use of laser selective photothermal effect principle, stimulate the skin under the collagen and elastic fiber regeneration, so that the skin becomes tight, help to improve the phenomenon of large pores. 3. Medication: You can choose some weak acidic chemicals such as low concentration fruit acid for acid brushing treatment, or oral inhibition of sebaceous gland secretion of drugs such as isotretinoin capsules can improve the symptoms of large pores. When the forehead appears large pores, it is recommended to standardize the treatment under the guidance of a doctor, not blindly self-medication.