How long does it take to see the effect of snakebeds externally, there is no clear description of the condition of the different effects of time also varies, clinically, generally used externally for about 1 week can see the effect of the specific use of medication need to strictly comply with the doctor’s instructions. Snake bed seed taste pungent, bitter, warm, with a small toxicity, to the kidney meridian, with dry dampness, wind, insecticide itching, warm kidney Yang (warm tonic kidney yang qi) efficacy, used for the treatment of women’s vaginal itching with the next, eczema itching, ringworm, ringworm, tinea pedis, chronic eczema, scabies, impotence and sterility of the man, the woman’s cold uterus infertility, and so on. In addition, this product can also be used in combination with those who suffer from prolonged paralysis due to cold-dampness combined with deficiency of kidney yang (lack of yang energy in the kidneys). This product should not be taken internally if there is a deficiency of yin and fire (deficiency of yin and essence in the body, resulting in hyperactivity of deficiency fire) or if there is dampness and heat in the lower burner. When discomfort occurs, one should consult a doctor in time and choose medication under the guidance of physician’s diagnosis, and should not use medication on one’s own in order to avoid delaying the condition.