This collection of paid courses, developed by Yangcong Academy, is designed specifically for primary school students. The courses are comprehensive, covering subjects such as Chinese, mathematics, and English, and are presented through engaging video teaching to help students improve their academic performance. Each course is meticulously created by experienced teachers, explaining concepts clearly and making them easy to understand. The curriculum not only focuses on the explanation of knowledge points but also incorporates a large number of practical examples and exercises to help students solidify their learning.