Applied mathematics. Southwest University is a key comprehensive university directly under the Ministry of Education, which is jointly established by the Ministry of Education, the Ministry of Agriculture and Rural Affairs and Chongqing Municipality. It is the first batch of world-class discipline construction universities in China. Mathematics in Southwest University has several research directions, including basic mathematics, computational mathematics, probability theory and mathematical statistics, applied mathematics, operational research and cybernetics. Among them, fewer people apply for applied mathematics and their scores are relatively low. So the research direction of applied mathematics is lower.