The main reason for large pores with blackheads on the nose is due to excessive oil secretion, which can be solved by general treatment, medication and physical therapy. 1. General treatment: do a good job of sun protection, choose water or suitable cleansing products, remove excess oil, dander and bacterial mixtures on the surface of the skin, but can not be overly cleaned, pay attention to oil control and moisturizing, the external use of mild moisturizing milk, the diet should be light, to avoid high-sugar and high-fat food. 2. Drug treatment: you can use salicylic acid or retinoic acid for treatment, or oral isotretinoin if necessary. 3. Other methods: you can directly remove blackheads through photon or fractional laser to improve the skin condition. Nose pores with blackheads recommend timely to the hospital, under the guidance of the doctor for treatment, avoid unauthorized use of drugs.