Palm heat may be caused by qi deficiency, blood deficiency, yin deficiency, yang deficiency and phlegm-dampness. 1. Qi deficiency: vegetarian weakness, lack of middle qi (weak spleen and stomach qi), and internal yin fire, leading to Qi deficiency and fever, and the symptoms of palmar heat. 2. Blood deficiency: Blood deficiency in the heart and liver, or in the spleen, or long-term chronic blood loss, resulting in blood deficiency, with no way to restrain yang, leading to blood deficiency and fever, resulting in symptoms of Palm Fever. 3. Yin deficiency: Yin deficiency in the body, or heat illnesses that deplete Yin fluid, Yin essence loss, water does not control fire, resulting in Yin deficiency and fever, symptoms of palmar fever. 4. Yang deficiency: Yang deficiency in the body, or cold disease damages Yang Qi, resulting in Yang deficiency in the body, and the deficiency of Yang floating outside, resulting in Yang deficiency and fever, the symptoms of palmar fever. 5. Phlegm-dampness: the spleen and stomach are damaged, the transportation and transformation of the duties, so that phlegm-dampness within the birth of the heat (evil qi too long stay will be transformed into heat), the symptoms of palmar heat. There are many other causes of palmar fever, so we suggest that patients go to the hospital to clarify the cause of the disease and standardize the treatment to avoid delaying the condition.