Duarosaurus (Ophiopogonidae) is a precious imported fish with tender meat, fresh and smooth meat and many thorns. This kind of fish is very expensive because there is nothing and it doesn't need oiling. Any pot can be used to boil milky thick soup, which has the effects of strengthening yang and waist, warming intestines and expelling wind, detoxifying and caring skin, healing wind, treating beriberi, waist and kidney dampness and wind arthralgia, treating malignant sores and curing autopsy.