The main causes of keratinized pores are incomplete cleansing, skin aging, etc. The treatments are general treatment, laser treatment and chemical peeling. 1. General treatment: (1) Avoid sun exposure and use sunscreen when going out. (2) Use appropriate cleanser to clean the skin, and those with oily skin can choose products that remove oil. (3) Use scrubs to exfoliate, about once a week. (4) Ensure adequate intake of water, you can regularly apply masks. 2. Laser therapy: Commonly used lasers include intense pulsed light, carbon dioxide fractional laser, and Q-tuning laser, which need to be selected under the guidance of a doctor. 3. Chemical peeling: commonly used acids are salicylic acid and fruit acid, in addition to removing the aging keratin, but also promote epidermal turnover and stimulate dermal elastic fiber production, shrinking pores. Those with large keratinized pores are advised to go to the hospital and follow the doctor’s instructions for standardized treatment.