Homework help is an online education platform, which provides a lot of learning resources and topics. For homework help, it mainly covers the common questions and knowledge points of various disciplines to help students consolidate their learning content and improve their test scores. However, the quality of the topics on the platform is uneven, and some topics may be wrong or imprecise. Therefore, when brushing questions, it is suggested that students choose appropriate questions to practice according to their own learning needs and actual situation, and pay attention to the examination and correction of questions to improve the learning effect.