To meet the demands of training the creative ability of students in the information engineering major of college in the minority nationality region, this paper deals with building extracurricular innovation echelon on the basis of Electronic Design Contest and the student organizations, and makes positive researches on the organization and construction of the echelon, on the innovation of the construction of the practice platform, on the choice of the practice content, and on the form and methods to guide. Practice shows that the construction of this kind of echelon can promote to improve the teachers＇ proficiency and to develop the students＇ innovatory ability.