1, swim bladder can tonify spleen and kidney and promote diuresis, and can be used for edema, turbid urine, dizziness, soreness of knees, listlessness, loss of appetite, pale tongue with thin and white fur and deep pulse caused by deficiency of both spleen and kidney; Rich in protein, fat, calcium, phosphorus, iron and so on. Sweet in nature and light in taste, it has the functions of tonifying kidney and essence, nourishing liver and calming wind, stopping bleeding and fighting cancer.

2. protein, a biomacromolecule collagen contained in swim bladder, is a raw material for human body to supplement and synthesize protein, which is easy to absorb and utilize. It is stored in human tissues in the form of aqueous solution, thus improving the nutritional status of tissues and accelerating metabolism.

3. The food rich in collagen in swim bladder can affect the physiological function of some specific tissues through the binding water of collagen, thus promoting growth and development, enhancing disease resistance, delaying aging and resisting cancer.