Silkworm shit is the Chinese medicine silkworm sand, belongs to dispel wind-damp medicine, China is the main output of silkworm sand, its taste is sweet, pungent, warm, the main into the liver, spleen, stomach meridian, with dispel wind-damp, and stomach to resolve dampness, blood to fix pain, clinical can be used to treat: 1, wind-damp paralysis pain, limb paralysis, etc. 2, abdominal pain caused by summer dampness, vomiting and diarrhea turn tendons. 3, eczema, rubella itching, silkworm sand contains chlorophyll, phytol, β- Glutathiol, carotene, vitamin B, C and other components, modern pharmacological research shows that has anti-inflammatory effects; has the effect of regulating blood sugar; has the effect of improving and treating anemia; has the effect of scavenging free radicals, antioxidant; has the effect of inhibiting the growth of tumor cells and so on. It is important to note that silkworm sand needs to be decocted in a cloth packet when it is used in medicine.