Qingkou is rich in nutrients, which is beneficial to the fetus and its own health if it is eaten by pregnant women in a small amount every day. It is mild in nature and non-toxic, and has obvious nourishing effect on people's liver and kidney. Specifically, mussels have the following major effects: improving immunity, which benefits from the rich protein contained in mussels. Protein's main function is to maintain the immune function of the human body. Only when the human body is rich in protein can it form enough white blood cells and antibodies to help the human body fight diseases.