The nutritional value of Carassius auratus is very high. Carassius auratus has the functions of invigorating the middle energizer, invigorating qi, nourishing yin and blood, strengthening bones and tonifying kidney, warming kidney and strengthening yang. It can also improve night sweats due to yin deficiency, enhance immunity and promote normal metabolism. From a nutritional point of view, this kind of nail fish is rich in protein and vitamin A, which can not only improve visual fatigue, but also nourish nerves and improve insomnia and dreaminess.