The growth of corns on the hands is related to long-term friction and extrusion, and it is recommended to reduce the undesirable stimuli to avoid aggravation of the symptoms. It can be treated with topical medication, laser, freezing and surgery. 1. Topical drugs: can be given under the guidance of a doctor to the corns paste on the affected area, corns paste inside the main ingredients for corrosive agents, can be local thickening of keratin corrosion, corns can eventually fall off. 2. Laser: Through the carbon dioxide laser, the treatment of corns. Through different wavelengths of laser, the tissue of the corns is burned, and the abnormal tissue can be detached. 3. Freezing: Freezing treatment for corns uses liquid nitrogen at -196 degrees Celsius, which freezes the corns through low temperature, and eventually causes the local abnormal tissues to necrose and fall off. 4. Surgery: If the corns are relatively large and cannot be treated well by the above methods, it is recommended to remove them directly by surgery, which can completely remove the corns. To summarize, there are many treatment methods for corns, it is recommended to go to the hospital and take the appropriate treatment under the guidance of the doctor.