Solid evidence and yin deficiency and yang deficiency type of anal fistula should not take astragalus, no bruising type of anal fistula cautiously take danshen. Other evidence of anal fistula can eat danshen and astragalus. Anal fistula is mostly due to the ulceration of anal carbuncle, residual venom is not exhausted, the sore does not fit, the formation of anal fistula for a long time; or due to the lung and spleen deficiency, insufficient qi and blood, as well as deficiency of labor and long coughing, lung and kidney yin deficiency, dampness and heat by the virtual flow of injections (hair in the deep muscle abscess) anus, for a long time not to be healed to form an anal fistula. Chinese medicine clinic common dampness and heat injection (dampness and heat evil invasion of the intestines, bladder, Yin, lower limbs, etc.) evidence, positive deficiency and evil love evidence, Yin fluid loss evidence. Salvia miltiorrhiza has the efficacy of activating blood circulation, removing blood stasis, clearing menstruation and relieving pain, clearing the heart and removing vexation (clearing vexation and heat in the heart) and cooling blood to eliminate carbuncle (eliminating carbuncle by cooling the blood), and it is not recommended to take Salvia miltiorrhiza if there is no bruising in the anus fistula. Astragalus has the effect of replenishing qi and raising yang (replenishing qi so that yang qi rises and develops), fixing the surface and stopping sweating (stopping sweating by consolidating the surface of the muscle), inducing diuresis and eliminating oedema (relieving urination and eliminating oedema), generating fluids and nourishing blood (replenishing the body’s fluids and blood), promoting stagnation and paralysis, and supporting toxin and pus discharge (draining out the body’s pus and toxins). The main reason for this is the fact that it is not a good idea to use the same method of internal treatment before and after the surgery to strengthen the body, reduce the symptoms, and control the development of inflammation. So the fistula should be timely to the regular hospital, under the guidance of a professional doctor, actively cooperate with the treatment, do not take the medicine treatment.