Small step wisdom is effective for junior high school students. Because the small step wisdom product covers mathematics, English, physics and chemistry in primary and secondary schools, it is rich in content and convenient to use. Moreover, Little Xueba pays attention to cultivating junior high school students' learning ability and interest. It is an intelligent adaptive learning software, which can guide junior high school students to fall in love with learning, so it is useful for junior high school students to learn little by little.