From Nov. 24 to 26, Stella and Philip, English immersion teaching experts from Hong Kong Education College, had a three-days-long goodwill visit to the Sub High School Affiliated to Xi'an Jiaotong University and had an instruction and exchange about the immersion teaching. On 24, Nov, the two experts observed the English classes which were showed by Chen Yang and Yao Xiaoying, English teachers of our school. After that, the experts made a speech about the immersion teaching to all English teachers. On 26, Oct, the experts communicated with our English teachers on the object, method, and principles during the process of English teaching.