As a pathological state of the human body, stasis can block the qi and blood meridians and affect the normal function of the organs and tissues. The symptoms that cause the human body are characterized by the following aspects: First, skin manifestations, mostly petechiae, petechiae, dark, purple or dry and flaky skin, or even skin nail fault. Second, the performance of the tongue, generally purple tongue body, there are petechiae, petechiae points on the body, the veins under the tongue bruising or bruising. Third, self-perception often has local pain, pain like pins and needles, and the pain site is fixed and does not move, obvious at night. Female patients often have dysmenorrhea, dark menstruation or blood clots. There may be sweating and sleep disturbance at night. Memory loss, poor concentration, mood swings, and even mania and other psychiatric symptoms may occur.