Neem leaves is the Chinese medicine neem leaves, “neem leaves boiled water effects and functions” is not accurate, the role of tea is limited, does not have the role and efficacy of traditional Chinese medicine, can not replace the medication used to treat the disease. Neem leaf belongs to the Chinese medicine, has the heat detoxification (clear the body of heat and poisonous evil), insecticidal effect, but also has the qi and pain (through the regulation of the body’s qi to relieve pain) of the efficacy. Therefore, it can be used for the treatment of eczema and itching, ringworm and scabies, snake and insect bites, hernia, ascariasis and so on. Decoction can be used externally to treat insect vaginitis, impetigo, itchy skin, eczema, and scabies. Neem leaf adverse reactions as well as contraindications are not clear. Precautions include that the product is bitter and cold and should not be taken more than once. When using medication, you need to be guided by a traditional Chinese medicine practitioner to use medication, don’t use medication arbitrarily, so as to avoid adverse consequences. If there is any discomfort, please consult a doctor promptly.