Red dots on the palm of the hand are mostly related to diseases such as spider nevus, eczema and hand, foot and mouth disease, which can usually be treated with medication or physical therapy to improve the symptoms. 1. spider nevus: when the capillaries in the small arteries in the skin become dilated, it may cause spider nevus locally, usually as a red dot spreading around in a radial shape. It can be treated by laser and surgery to destroy the central blood vessels, and then achieve the treatment effect, and pay attention to check whether there is liver disease; 2. It is often accompanied by low fever, sore throat, and symptoms such as red spots and blisters on hands, feet and mouth, and the attack is urgent. It is treated by local topical drugs and systemic medication, and assisted by laser and freezing to relieve symptoms.