The dosage of Nux vomica should be based on the patient’s condition, physical condition and other factors, and should not be generalized. Pharmacopoeia recommended dosage for adults 3 ~ 9g per day. The source of the drug is the dried body of the stink bug. It is salty in taste and warm in nature, and belongs to the liver, spleen and kidney meridians. It has the effects of regulating qi and relieving pain (relieving pain by unblocking qi), warming the middle and assisting yang. It can be clinically used in the treatment of liver and stomach qi pain, stomach cold and distension, kidney deficiency and impotence, lumbar and knee pain and other conditions. The adverse reactions and contraindications of this drug are not clear. The recommended dosage of Pharmacopoeia is 3-9g per day for adults. If you need to use Jiu Xiang Caterpillar, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician to identify the symptoms.