Black-bone chicken contains lysine, methionine and histidine, which are indispensable to human body, and has high medicinal value, especially melanin, which has the functions of nourishing yin, tonifying kidney, nourishing blood, replenishing essence, benefiting liver, reducing fever and tonifying deficiency. Can regulate human immune function and resist aging. Enjoy the name of "medicine chicken" since I was old. It has a good curative effect on irregular menstruation, uterine deficiency and cold, menstrual abdominal pain, metrorrhagia and leukorrhagia, emaciation and other diseases caused by postpartum deficiency, milk deficiency and qi and blood deficiency. Black-bone chicken has a good tonic effect on all debilitating diseases of the elderly. Although black-bone chicken is a good tonic, eating more can produce phlegm and help fire, heat and wind, so body fat and pathogenic factors are excessive. Those with unclear pathogenic toxin and serious skin diseases should eat less or avoid eating, and those with serious exogenous diseases should not eat it. At the same time, they should also avoid spicy and greasy food, alcohol and tobacco.