Neem can be taken for how long, can not be generalized, the specific course of treatment by the physician according to the patient’s condition, the course of the disease and the effect of medication to determine, and this product is bitter and cold poisonous, the spleen and stomach cold people should not be used, should not be overdosed or continued to take, pregnant women should be used with caution, it is recommended that a professional physician in the identification of the guidance of the use of medication. Neem is bitter in taste, cold in nature, slightly toxic, and belongs to the liver, small intestine and bladder meridians. It has the efficacy of dispersing heat from the liver, moving qi and relieving pain (relieving pain by regulating the body’s qi), and killing worms. It is suitable for the treatment of pain in the chest, abdomen, abdomen and ribs caused by stagnation of qi and depression of the liver or liver stagnation that leads to fire and heat (caused by the lack of qi and heat in the liver), abdominal pain due to accumulation of worms and itching due to scabies. When discomfort occurs, you should consult a doctor in time and choose medication under the guidance of physician’s diagnosis, not self-medication to avoid delaying the condition.