Night sweats (abnormal sweating after going to sleep and stopping sweating after waking up) usually appear at night after going to sleep, caused by yin deficiency; while sweating at dawn may be self-sweating (involuntary sweating during the day, aggravated by sweating with a little movement) manifestations, mostly caused by qi deficiency. It may also be caused by other physiological reasons. Night sweating refers to a large amount of sweating at night after falling asleep, waking up sweating to stop the symptoms, generally caused by yin deficiency, can also be accompanied by heat in the hands and feet, bone steam heat (a burst of heat, feel the heat from the bone to the outside of the penetration of hair), the cheekbones flushing (cheekbones on both sides of the face reddish in color) and other manifestations. Self-sweating mostly occurs during the day, and can be seen in a quiet state but still sweating, sweating increased after activity. It is mostly caused by qi deficiency, and can be accompanied by fatigue (mental exhaustion, physical weakness), mental weakness, shortness of breath and other manifestations. If sweating at dawn or night sweating occurs after excluding high temperature, after exercise and other physiological factors, it is recommended to ask the doctor to clarify the cause and treat the symptoms under the doctor’s guidance.