There are several kinds of search software used by secondary vocational school students: 1, excellent topic 100 software: this software contains the necessary courses for secondary vocational school examinations, and secondary vocational school students can search for elements and find relevant contents according to their personal learning needs. Moreover, the excellent question 100 software also has real questions and simulation papers over the years, which help many people improve their academic performance. Interested students can download it and try it. 2. homework help APP: This online education APP produced by Baidu is also a very popular picture problem-solving tool for students. It covers almost 90% of the item bank of junior and senior high school project textbooks, and hundreds of scholars answer your questions online and solve the problems encountered in various subjects. 3. Little Ape Search app: This software is a homework software specially prepared for students. You can quickly know the problem-solving process and answer by taking photos with your mobile phone.