Mr. Pu Jie, the younger brother of the last emperor, tasted Sanyuan Meiyuan dairy, recognized it as from the court, and generously wrote an inscription for Meiyuan: Keep improving. Mr. Hou Baolin, the master of crosstalk, once praised the delicious dairy products of Sanyuan Meiyuan, and readily promised to be the honorary consultant of Meiyuan. Meiyuan's palace milk products also traveled to Japan twice to participate in the World Food Expo, which was praised by all countries in the world. In 2009, the dairy production technology of Sanyuan Meiyuan Palace was listed as an intangible cultural heritage protection project by Xicheng District. It can be said that the palace dairy represented by Sanyuan Meiyuan Dairy and its production techniques have become an important carrier of China's food culture which has a long history and needs to be carried forward. In 20 10, sanyuan Meiyuan cheese and its preparation technology were patented and recognized by the society and consumers again.