Based on Eco-system theory and recent research on prosocial behaviors in class environment,the article defined and reviewed interaction between children with two groups——peer and teacher——both of them interact with children closely and have an important impact on their prosocial behavior,as two sub-ecosystems under the context of class environment.

The paper attempts to survey the interactions of class environment,learning approach and students sense of achievements in secondary schools by investigating 664 subjects of 15 classes out of five schools in Anhui Province and Jiangsu Province on"Feeling of Academic Success Scale","learning process questionnaires"and "My Classes Questionnaire".

The article discusses the connotation,elementary frames and some characteristics of class environment of primary and secondary schools.

The famous American scholar Walter Lippman proposed the theory of "pseudo-environment",he regarded that the mass media couldn t reflect the realistic environment as a mirror but to transfer the information by chosing and reconstructing the events in the world.