The junior high school biology exam is only taught by people. According to relevant public information, Kaoba APP only updates the content of PEP synchronously. Kaoba Education app is a series of learning applications launched by Guangzhou Kaoba Education Technology Co., Ltd. Users can start learning rich junior high school knowledge through free choice, covering a wealth of textbook versions, creating a very independent learning platform for students all over the country, deepening their learning content with graphic and video courses, participating in mock exams to improve their test scores, and helping each student to play better in the senior high school entrance examination, which is recommended by many teachers and parents.