Wu Ling Zhi has the efficacy of activating blood circulation to relieve pain (relieving pain by removing blood stasis) and resolving blood stasis to stop bleeding. Wuling Resin can be taken internally as a decoction in packets, or in pills or powders. Wuling Resin is the dried feces of the flying squirrel family, Flying Squirrels, and is best when it is dark brown, lumpy, shiny, and oily. It is used raw, or roasted with vinegar or wine. It is bitter, salty and sweet in taste, warm in nature and belongs to the liver meridian. It has the efficacy of activating blood circulation to relieve pain (relieving pain by removing blood stasis) and resolving blood stasis to stop bleeding. Clinically, it is mainly used in the treatment of pains caused by blood stasis and obstruction, such as chest paralysis (stuffy pain in the chest), stabbing pain in the epigastrium (abdomen), dysmenorrhea, postpartum abdominal pain with stagnation of blood and stagnation of the abdomen, and fracture swelling and pain. According to the contraindications of Chinese medicine, ginseng is afraid of Wu Ling Lipid, so ginseng should not be used with Wu Ling Lipid. Meanwhile, since Wu Ling Zhi is good at activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), it should be used with caution by pregnant women. When Wu Ling Zhi is used as a traditional Chinese medicine, it needs to be decocted. It can also be powdered into pills and powder. If there is any discomfort, it is recommended to consult a doctor in time and not to use the medicine by oneself.