With the rapid development of market economy,the relationship between the construction of universities and economic development has been enhanced.To achieve the goal of "taking the road of independent innovation and constructing an innovative country",to meet a higher demand set by enterprises,colleges and universities aims at cultivating the talents who possess solid academic foundation with higher quality and flexible adaptation to new changes and potential capacity."3+1"teaching mode makes an attempt on the training pattern of talents,whose practical ability could be explored and well-developed.Compared with traditional teaching model,undergraduate fundamental study should be finished with in three years and the fourth year is the time for students to gain practical experiences.Taking Northeastern University at Qinhuangdao for example,the text aims to explore what "3+1"teaching mode could bring about to colleges and universities.