Oyster is a kind of food, not medicine, no kidney tonic effect. Oysters are rich in nutrients, moderate intake can supplement some of the nutrients needed for the body’s physiological functions. Oysters contain more phosphorus and calcium elements, protein content is more abundant. Also contains potassium, sodium, cholesterol, niacin, riboflavin, protein and so on. These substances are necessary to maintain the normal functioning of the human body nutrients. Therefore, oysters have a certain nutritional value. But there is no research to show that oysters have a direct effect on kidney tonic. In case of kidney discomfort need to go to the hospital in time, the doctor according to the cause of the targeted treatment, do not blindly self-medication or consumption of prescriptions, so as not to delay the condition.