1, close to the teaching materials: Rongheng's educational guidance books are close to the teaching materials of all grades to ensure that students can consolidate what they have learned in class in the guidance books.

2. Rich types of questions: Rongheng's educational counseling book has both basic questions and improvement questions, so that students can constantly challenge themselves in practice.

3. Detailed explanation: Rongheng Education Guidance Book provides detailed problem-solving process and analysis for key and difficult topics to help students master problem-solving methods.