1. The subject you failed is an elective course, but this knowledge has little to do with it. It doesn't matter much as long as you don't go abroad. Foreign schools look at your optional grades, while domestic schools look at your optional grades. Generally speaking, 985 colleges may depend on your optional grades, and 2 1 1 will let you provide your transcripts.
2. If you are a restricted course or a compulsory course, it will definitely affect one point. Xiamen University's finance should be stable in the top five in the country, slightly weaker than that of the National People's Congress, and slightly stronger than that of Shanghai University of Finance, Zhongnan University of Finance and Southwest University of Finance (personally, Cai Yang and some local universities are not counted as inflows).
Generally speaking, there are microeconomics, macroeconomics, financial marketing, securities investment, monetary finance and, of course, calculus, which is a headache. These general things have to be tested. As for what kind of teaching materials the graduate students of finance in Xiamen University want, they can find them on Xiamen University's website, or they can post directly on Xiamen University's forum for help.
4. If it's a cross-major, I suggest that you don't apply for Xiamen University's finance, not to discourage you. The enrollment ratio of foreign graduate students in Xiamen University is very small. If you don't make any major academic research achievements in the undergraduate stage (such as the Challenge Cup and the National Innovative Experiment for College Students, you must be the host and win the prize), you won't be admitted, even if you get a high score in the postgraduate entrance examination (PS: you are the first one);
I suggest you choose one of Shanghai University of Finance and Economics, Zhongnan University of Finance and Economics, Southwestern University of Finance and Economics, and Dongbei University of Finance and Economics is also acceptable. Their majors are among the top ten in the country, and the difficulty is a little smaller than that of Xiamen University. In terms of finance and economy, these schools are already very good in China!
Is it detailed enough?