Bad skin and large pores generally have excessive sebum secretion, can be improved through medication, phototherapy, daily care and other methods. 1. Medication: Vitamin B6, vitamin E and other drugs can improve the situation of large pores, need to follow the doctor’s instructions to use drugs. 2. Photoelectricity treatment: through specific color broad spectrum deep into the skin tissue, so that the subcutaneous pigment, closed abnormal capillaries and pigmentation decomposition, through the body’s metabolism way out of the body, to achieve relief of the problem of large pores. Commonly used lasers are photorejuvenation, fractional laser, picosecond and so on. 3. Daily care: pay attention to cleaning and skin care, it is recommended to use warm water to clean the skin, and after cleaning, use moisturizing and emollient products in a timely manner to improve the problem of large pores. Usually also pay attention to sunscreen. It is recommended to go to a regular medical institution under the guidance of a specialist for treatment to avoid adverse consequences.