Earth Dragon also known as earthworms, commonly known as song. China's earthworm as a medicinal has a long history. In recent years, with the development of science and technology, earthworm research and clinical application has become more and more extensive and in-depth, and achieved gratifying results.

Earthworms and anticonvulsant effects: Some people use earthworm extract substances for animal testing, found that this substance can fight caffeine-induced seizures, and the performance of a better sedative effect. Domestic application of earthworm soup (fresh dragon, Pinellia, turmeric, raw rhubarb) and to soap pill (earthworm, gleditsia) treatment of skin disease achieved remarkable results. Yantai area Laiyang psychiatric hospital with earthworm syrup treatment of schizophrenia in 50 cases, 14 cases were cured, significantly improved in 6 cases. Some people use fresh earthworm syrup in the treatment of severe brain failure in 8 cases of brain failure, are in the medication 1 month recovery.

Antihypertensive effect: the use of earthworm injection to the animal injection, both slow and lasting antihypertensive effect, the mechanism may have a direct role in the central nervous system or through some of the internal receptors reflect the central impact, causing partial visceral vasodilation, so that blood pressure The Some people with earthworm semi-purified liquid to the dragon B, liquid treatment of 11 cases of primary hypertension, the antihypertensive efficiency of 9l% n 40 grams of earthworms, add 60% alcohol 100 ml, soaking 72 hours, oral 3 times a day, every 10 ml, for 1-2 months, the primary hypertension has a very good therapeutic effect.

 Effect on Smooth Muscle: A nitrogen-containing active ingredient extracted from animals injected with earthworms. The results confirm that there is a significant diastolic bronchial effect and can inhibit the bronchial contraction of histamine and pilocarpine. Indicating that the substance may have anti-allergic mechanisms. Some people use earthworm powder or earthworm injection treatment of no serious complications of bronchial asthma in 52 cases, the application of 30% earthworm injection for acupuncture treatment of children with chronic asthmatic bronchitis, the effective rate of 80%, and that earthworms cough and asthma And the rate of mitigation is high.

Anticoagulation, thrombolytic function: According to the World Health Organization statistics, about 12 million people die each year from cardiovascular and cerebrovascular disease. The cause of cardiovascular disease is due to increased blood viscosity, blood flow slows, microvascular thrombosis within the vessel, blocking the fatal cardiovascular and cerebrovascular. Chinese medicine that earthworms have the function of promoting blood circulation, silting collaterals, in many thrombosis treatment prescription accounted for a large proportion. At the 1983 International Society of Thrombosis, a soluble thrombus-lumbrokinase was extracted from dried earthworms. Animal experiments have shown that lumbrokinase has a decrease in fibrinogen. Reduce blood viscosity, the role of thrombolysis.