Patients with enlarged pores on the back of their hands can improve their symptoms through daily care and phototherapy. 1. Daily care: When patients do not clean properly, keratin will easily accumulate and clog pores, which will lead to obvious pores. Patients can use cleansing products to take care of their skin on a regular basis. In addition, patients should pay attention to consume less greasy food and more fresh vegetables and fruits in daily life. 2. Photoelectricity treatment: when the pores are obvious and cause a large psychological burden, patients should go to the dermatology department of the regular hospital, under the guidance of the doctor to choose the appropriate laser treatment, the common carbon dioxide laser. Carbon dioxide laser can stimulate subcutaneous collagen proliferation arrangement, so as to make the skin tighter and more elastic, to relieve the symptoms of large pores. Patients with enlarged pores on the back of the hand should pay attention to adjusting their living habits, and if necessary, they can go to the dermatology department of a regular hospital for consultation.