The eel is a hair product Oh. Eel is not only a delicacy on the table, its meat, blood, head, skin have certain medicinal value. According to the "Compendium of Materia Medica", eel has the effect of tonifying blood, tonifying qi, anti-inflammatory, disinfecting, and removing rheumatism. Eel meat is sweet, warm, there is a tonic blood, the effect of treating deficiency, folk used in medicine, can be used to treat the deficiency of cough, dampness and heat body itching, intestinal wind hemorrhoid leakage, deafness and other diseases. Eel head calcined gray, fasting warm wine to serve, can cure women's breast core hard pain. Its bones into medicine, polycarbonate sores, the efficacy is quite remarkable. Its blood drops into the ear, can cure chronic suppurative otitis media; drops into the nose can cure epistaxis (nosebleed); especially when used externally can cure crooked eyes and mouth, facial nerve paralysis. Eel serum is poisonous, but the toxin is not heat-resistant and can be destroyed by gastric juice and heating, so it is generally not poisonous when cooked and consumed. Folk with eel blood cure, whether the role of toxins in the blood, yet to be studied in depth. Eel's blood is toxic, accidentally eaten will have an irritating effect on the human oral cavity, digestive tract mucosa, serious damage to the human nervous system, so that people numbness of the limbs, respiratory and circulatory failure and death.