According to the query of Gao Dun Education Network, China Ocean University is the national top-notch 985,211,and the Department of Mathematics is the trump card major of China Ocean University, with strong professional strength, high requirements for mathematical foundation and professional knowledge, and fierce competition for postgraduate entrance examination. It is very difficult for candidates with poor English to take the English I test in the Department of Mathematics of China Ocean University, and it is very difficult for the Department of Mathematics of China Ocean University to take the postgraduate entrance examination.