To have the competitive GMAT score to apply for numinous business schools in North America and some top schools in Europe and Asia, innumerable examinees have been trying year after year, but the hardness of the exam and the bottleneck in the hardworking decimate the achievement of examinees’ progress, even a certain proportion of examinees confronting score drawbacks of the 2nd, 3rd, or 4th trials. We recommend students be proficient at test-taking skills where skills work, positively absorb background knowledge of relative subjects where skills cannot cover all, take the one-by-one lesson where problems and confuses must be addressed via professional instruction, and finish the vocabulary task under our supervision to support any exam tactic working.