A movement on the sweat can be a normal physiological performance, but sweating especially large or persistent may be due to the lungs and guards are not solid, yin deficiency and fire (Yin essence loss in the body, the emergence of deficiency and fire), evil heat and steam and other reasons. 1. Lung Wei is not solid: mostly due to the patient’s vegetative weakness, post-disease weakness or chronic coughing and asthma, exhaustion of lung qi so that the surface of the muscle loose, the couper (pores) open and leakage and sweat. The patient can be manifested as sweat and wind, a little activity is sweating especially, can be accompanied by tiredness, fatigue, body aches and other symptoms. 2. Yin deficiency and fire: patients due to a variety of reasons to depletion of yin essence, resulting in the internal generation of fire (the body of the yin fluid insufficient to cause fire and heat evil), forcing the fluid leakage. The patient may manifest as spontaneous sweating (involuntary sweating during the day, aggravated by sweating with a little movement) accompanied by five heart-heat (heat in the hearts of the hands and feet, and self-consciousness of the heart and chest), afternoon hot flashes (a burst of heat) and other symptoms. 3. Evil heat and steam: the patient can be wrathful and irritated, liver depression and fire (liver Qi Qi Qi blockage led to the production of fire and heat), fire and heat within the body or body dampness and heat bias or addicted to spicy and thick flavors, so that the dampness and heat within the body, the evil heat and steam, forcing the excretion of fluids. Can be manifested as steaming sweat, sweat sticky, face red baking heat and other symptoms. A movement on the sweat of the pathological causes may have other aspects, should be timely medical diagnosis to avoid delay.