College students associations have become main area in construction of campus culture. The culture of associations have the irreplaceable role for the building of harmonious campus. The construction of college students associations should make position accurately, guide scientifically, take care of students, demonstrate harmony, and overcome the negative factors continually to play its role. Meanwhile student society should do to protect the diversity of the organization, highlight the main body of the students, show the equality and an open mind. These mentioned above could provide scientific concept, cultural core, system protection, and a good cultural ecology for harmonious campus.