Snake bed seed powder can be directly sprinkled on the test site, snake bed seed powder is processed and made from the Chinese herbal medicine snake bed seed. Snake bed seed belongs to the yang tonic medicine in the deficiency medicine, the family for the umbellifer family plant snake bed fruit. Snakebed seed is pungent, bitter, warm, with a small poison. Snake bed seed can be used internally and externally. Snake bed seed has the effect of drying dampness and dispelling wind, warming the kidney to help yang, killing insects and stopping itching, and can be used to treat uterine cold and infertility, male impotence, dampness paralysis and lumbago, women with yin itching, scrotum wet itching, and so on. It is contraindicated for those who have phase fire, insufficient kidney yin or dampness-heat in the lower jiao, as well as those whose essence is not solid (kidney deficiency, kidney can not hide essence). The adverse effects of Codonopsis pilosula are not known. The drug should be taken under the guidance of a professional physician, do not use the drug without authorization to avoid adverse consequences.