1, the subcutaneous fat part of pig coccyx contains high fat content and high cholesterol content, and high cholesterol intake will lead to the risk of cardiovascular disease.

2. keel is the rhizome of keel plant, which is mainly used for Chinese herbal medicine. The keel has the effects of nourishing health, invigorating qi and nourishing yin, calming nerves, clearing away heat and nourishing liver and kidney. Keel contains a variety of amino acids, minerals and trace elements such as calcium, phosphorus, magnesium and zinc.