Si Miao Pill can regulate the yellowish greasiness at the root of the tongue that occurs in the case of Damp-Heat Underflow (Dampness and Heat invading the intestines, bladder, pubic area, lower limbs, etc.) syndrome. Yellowish greasiness at the base of the tongue is most commonly seen in damp-heat syndromes, and is mainly regulated by medicines that clear damp-heat. Si Miao Pill is composed of four medicines: Huang Bai, Zhi Mu, Coix Seed and Cow’s Knee. It has the effect of clearing away heat, relieving dampness, and relaxing the muscles and bones. It is mainly used for the treatment of lower limb weakness, impotence, numbness caused by dampness-heat injection, or see the joints of the lower limbs red, swollen and painful, or see the lower limbs eczema, wet sores, yellow and red urine, and the tongue is mainly yellow and greasy moss. However, the yellow greasy tongue is not only seen in the lower Jiao damp-heat certificate, other diseases may also see the yellow greasy tongue, such as food accumulation and heat (long-term accumulation of food caused by internal heat), the middle Jiao damp-heat, and so on. The specific use of drugs is mainly based on the symptoms, tongue, pulse and other common to identify the evidence. The use of drugs need to be under the guidance of a professional doctor, not self-medication, so as not to delay the condition.