3 months 198 yuan, 298 yuan for 6 months, 488 yuan for 12 months. According to the query of the onion college app, the junior high school curriculum of onion college adopts membership system, and the specific fee is 3 months 198 yuan, 298 yuan for 6 months and 488 yuan for 12 months. Onion College is an online education platform, which provides online courses at K 12 stage, including mathematics, physics, chemistry, biology and other disciplines. The content of the course is lively and interesting, presented in the form of animation and games, aiming at improving students' learning interest and learning effect.