Neurodermatitis belongs to the category of “stubborn ringworm” in Chinese medicine. Peppercorn boiling water is generally not used to treat ringworm, and the effect of peppercorn boiling water is limited, generally not achieve the therapeutic effect. Peppercorns belong to the same source of medicine and food, with the effect of warming the middle and relieving pain (by warming the spleen and stomach to relieve pain), killing insects and relieving itching. The main treatment of cold abdominal pain, cold and damp vomiting and diarrhea, insect accumulation abdominal pain, eczema itching, women’s yin itching. Yin deficiency and fire (deficiency of Yin essence in the body, there is a deficiency of fire) is prohibited to take pepper. Pregnant women should not take pepper. The effective dose of peppercorns boiling water is limited, generally can not achieve the therapeutic effect, if you want to achieve the desired results, it is recommended to carry out regular treatment under the guidance of a doctor. Peppercorns boiled water after drinking if there is discomfort is recommended to stop in time, timely medical attention.