The main components of Yikang oral liquid are Lentinus edodes, Flammulina velutipes, Poria, Tremella, Lycium barbarum, Mulberry, Chrysanthemum, Cassia seed and Glycyrrhiza uralensis. These ingredients are all natural herbal ingredients, which are good for human body. So what is the function of Yikang oral liquid? Yikang oral liquid is generally given to people with low immunity, such as children who often catch a cold and get sick, especially suitable for drinking. Can enhance human immunity and reduce the chance of illness. Immunity is the body's own defense mechanism. If one's own immune system is destroyed, the human body will be easily invaded by external viruses and bacteria. Therefore, taking Yikang oral liquid can enhance the human body's ability to fight viruses and bacteria. Can children drink Yikang oral liquid? Yikang oral liquid is refined from mushrooms, Flammulina velutipes, Poria cocos, tremella and other plants, and children can drink it. And the method of taking is very simple, shake it before drinking and drink it directly. For many parents who report that their children are often ill and worry about their weak immune system, it is recommended to go to the hospital for diagnosis first.