This research aims to investigate the application of Krashens Input Hypothesis to junior high school English listening class. 120 first year students were chosen and divided into a control group and an experimental group, each containing 60 stu-dents. During the one-semester treatment, the two groups adopt the traditional teaching method and the teaching method inte-grated with Krashens Input Hypothesis respectively. The results showed that by applying Krashens Input Hypothesis to junior high school English listening class, studentslistening skills can be improved effectively.