Effective and simple ways to reduce the size of pores include inhibiting the function of sebum by taking oral isotretinoin capsules and reducing the size of pores by laser hair removal. There are many reasons for enlarged pores, the more common ones are sebaceous gland hyperfunction or blockage of the discharge channel, etc. This situation can be improved through the following programs: oral isotretinoin capsules, anti-androgenic drugs, intradermal injections of botulinum toxin, etc., with the aim of reducing the secretion of sebaceous glands. The condition of hyper sebaceous glands can also be inhibited through laser treatment or hair removal treatment, reducing the size of hair follicles, while also stimulating collagen remodeling and regeneration to enhance the elasticity of the skin. These methods can achieve pore reduction in a shorter period of time, but multiple treatments are required. It is recommended that specific pore reduction methods and measures should be chosen according to the specific situation, and should go to a regular medical institution to choose the appropriate and effective measures under the advice of professionals.