Shanzhima has the effect of clearing heat and detoxifying (removing heat and toxicity from the body) and is used for colds and fever, tonsillitis, pharyngitis, mumps, eczema, hemorrhoids and other symptoms. The root or the whole plant of Shanzhima, family Pterocarpaceae, belongs to the heat-clearing and detoxifying family of medicines. Sanshima enters the stomach meridian. It is bitter and cool in flavor. It can be used internally and externally. It is cold in nature and should not be used by people with cold spleen and stomach (spleen and stomach weak and cold). Pregnant women should be advised to take it with caution. The adverse effects of Shanzhima are not known. However, the Chinese Materia Medica states that it has a small toxicity, so if you need to take it, please use it under the guidance of a professional Chinese medicine practitioner, and do not take it on your own.