Returning Shao Dan has the efficacy of warming the kidney and tonifying the spleen. It is clinically used for treating soreness of the waist and knees, dizziness, tinnitus, impotence, spermatorrhea, emaciation, emaciation, low appetite, toothache, and deficiency of essence and blood caused by deficiency of the spleen and kidney. Attention, children, pregnant women and lactating women are prohibited to reduce the Dan; diabetic patients, external fever and solid fever patients prohibited; the drug should be taken after meals. Patients need to use the medicine under the guidance of a traditional Chinese medicine practitioner, do not take it without authorization, in order to avoid adverse consequences.