With the increasing influence of China in the world, the grammatical mistakes made by Chinese students in English writing have attracted wide attentions. This research aims at a comprehensive review of some of the most common grammatical errors in Chinese students writing. The main focus is on errors in sentence structure and tense. This study shows that these errors have a strong impact on the clarity and effectiveness of Chinese students writing. To some extent, this may lead to misunderstanding or ambiguity. However, educators can help Chinese students overcome these difficulties. This research mainly relies on appropriate teaching methods, explanations and appropriate exercises to attract Chinese students attention to these problems and allow them to practice repeatedly so as to avoid these mistakes in English writing, which can greatly improve their future English writing level. Thus, the overall English writing ability of Chinese students can be improved to some extent.