He emphasized that the heart of sika deer is strikingly similar to that of human body, which not only contains the same trace elements and active enzymes, but also has 23 similar memory chains. This similarity makes sika deer one of the best choices to nourish human heart.

Professor Zhai also mentioned that the best sika deer in the world grows in Changbai Mountain in the northeast, and its deer blood is the essence of blood, which can supplement cardiovascular and cerebrovascular functions and improve serious heart diseases.