Sciatica belongs to the category of paralysis in Chinese medicine. Si Miao Wan is effective in treating paralysis caused by dampness-heat infiltration (dampness and heat invading the intestines, bladder, pubic area, lower limbs, etc.), but is ineffective in treating paralysis caused by other reasons. Si Miao Pill, composed of Cang Zhu, Ox Knee, Salt Cypress and Coix Seed. It has the effect of clearing heat and inducing dampness (removing heat and dampness from the body). It is used for paralysis caused by dampness-heat injection, which is characterized by redness and swelling of the feet and knees, and pain in the tendons and bones. Pregnant women should be cautious of using Si Miao Pill. The adverse reactions and contraindications of Si Miao Pills are not known at present. If you need to use Si Miao Pills, it must be used under professional medical supervision.