Sheep liver soup and mutton soup are both dessert snacks, and the difference lies in whether the raw materials contain sheep liver ingredients. The earliest mutton soup was a hot soup made of mutton. Song dynasty spread to Japan. Japanese monks don't eat meat, so they use red beans, Ge Fen and flour to make the meat into the shape of sheep liver. Japanese liver soup sounds very similar. It becomes mutton soup. When the tea ceremony became popular, it became a famous refreshment. So far, soup refers to paste and frozen food made by cooking and other methods, while mutton soup is refined by adding fine white sugar to red beans and peas, screening, cooking, rubbing sand and filling. Yanggan decoction is made from the above raw materials with saccharified sheep liver mud and β -carotene added. It is suitable for iron deficiency anemia, tuberculosis and vitamin A deficiency, and can also be used as an auxiliary diet for hepatitis patients.

Therefore, eating sheep liver soup will have the effect of improving eyesight.