Dialysis of high-frequency examination sites frees students from heavy review, firmly grasps the "compulsory examination sites" and reviews everything they take, helping millions of students to enter key points and prestigious schools. Published by the famous Peking University Audio and Video, it is definitely not an ordinary publishing house. In the past ten years, new famous teachers have participated every year, and the content has been re-edited every year according to the situation of that year, which is definitely the first. Official website introduced Hui Education.