In order to train more professional and technical personnel,combined with the existing conditions and actual situation of the School of Resources and Environment of Northeast Agricultural University,a serious exploration and practice was carried out in the experimental course of soil science by using the teaching mode of indoor and outdoor.In the process of exploration and practice,it is found that the teaching mode of the combination of indoor and outdoor can consolidate students'understanding and cognition of each experimental content and method,improve students'reasoning ability of combining theory with practice and calculating,improve students'independent creative ability,and then increase the learning interest and teaching quality of experimental courses.