Night sweats (abnormal sweating after going to sleep and stopping after waking up) are mostly seen in Yin deficiency. Night sweating for many days can be taken under the guidance of a physician to nourish yin and reduce fire (nourish yin essence, reduce fire) drugs, such as angelica six yellow soup. Angelica six yellow soup consists of angelica, raw rhubarb, Scutellaria baicalensis, cypress, Huanglian, cooked rhubarb, astragalus and other seven medicines, with nourishing yin and diarrhea, solid surface to stop sweating effect. It is often used in treating night sweating due to yin deficiency and fire exuberance (deficiency of yin and essence in the body, resulting in hyperactive fire). Common symptoms include fever and night sweating, red face and heartburn, dry mouth and lips, dry stools, and yellow and red urine. It should not be used if the spleen and stomach are weak, or if there is a decrease in appetite (no appetite, less food) or loose stools (loose stools). Multi-day night sweats should be timely medical treatment, under the guidance of the doctor to identify the evidence of the use of drugs, do not self-medication. In addition, life should pay attention to diet light, eat less warm and dry products.