On July 20,2015, 4 people delegation of Yale University visited our kindergarten. Firstly, all the guests visited the public environment and the Exhibition of 100 Years of BNUK. Then, all the people had a discussion together. Delegation of Yale University introduced us the programs “Yale-China Children Development Studies” and “High quality kindergarten assessment project”. Then, principal Huangshan introduced the overall situation of BNUK. And both sides had a deeply discussion on educational philosophy, teacher’s professional development, curriculum and children’s developmental assessment and so on. The guest experts gave BNUK a high approval about our philosophy, and they thought both sides have a lot in common, also were very looking forward to have a more deeply cooperation with BNUK.