Blackheads and enlarged pores are caused by two different reasons, so the way to remove them is also different. Blackheads are caused by sebum mixed with dust and gradually oxidized in the pores, which is essentially an embolism of keratin; enlarged pores are caused by the secretion of sebaceous glands and skin aging. A, blackhead acne: 1, local plucking: use a hot towel hot compress face, soften the keratin, borrow nose stick or acne needle to bring out the blackhead, but pay attention to timely convergence of pores, can use ice water cold compress contraction. Some people are also accustomed to squeeze blackheads, indeed, can immediately remove blackheads, but easy to damage the pores, causing inflammation, it is not recommended to use the squeezing method; 2, dissolve: some blackhead export solution or jojoba oil, these small molecules of solvent can penetrate into the pores, emulsify the blackheads after discharge, this method is less irritating, the damage to the skin is also small, but some particularly small blackheads with this method can not be discharged; 3, clean. Some very large blackheads that protrude from the pores can fall out during the rubbing process of cleaning, cleaning can play a role in removing blackheads. Careful and thorough cleaning of the face can also reduce the oil clogging of pores and reduce the generation of blackheads. Second, large pores: 1, life guidance: smoking and drinking, excessive late night, etc. will cause excessive skin oxidation, resulting in accelerated aging, thus manifesting as large pores. To remove enlarged pores, we must quit smoking and drinking, ensure sleep, and also apply hydrating masks; 2, drugs: because the sebaceous glands secrete a lot, it will cause pore blockage, and the blocked pores will expand and increase, you can apply drugs, such as tacrolimus ointment, vitamin A acid cream, etc., to reduce inflammation and sterilization, reduce sebum secretion. Application of hormonal drugs can cause enlarged pores, and in order to remove enlarged pores, you may need to follow medical advice to change the medication; 3. Medical means: such as laser treatment, micro-needling, hydrophobic needle, fruit acid peeling, etc., can improve enlarged pores. In addition, good sun protection can reduce melanin production and skin damage, and hydration, cleansing and keeping a light diet can reduce oil and sebum at the source. In addition, the use of salt water wipe, or with anti-inflammatory ointment, can be localized to reduce inflammation and avoid bacterial infection and mite breeding, all of these practices can prevent blackheads, pimples and enlarged pores to some extent.