Yang Guo's authentic qi is not bad. Yang Guo's authentic teaching style is humorous and highly skilled. Yang Zongqi is the CEO of Zhengguo Education. He has more than 16 years of teaching experience in public examinations, teaching the analysis and quantitative relationship of survey data, and has the title of "the first person in data analysis in China". The teaching content is practical and infectious, and the classroom atmosphere is active. He is good at cultivating students to solve interview problems from the perspective of exam situation and their own ability, and the teaching effect is remarkable.