There are no three certificates in the national mathematical modeling competition for college students. The national mathematical modeling competition for college students is not three certificates, but different according to the winning situation and level. Generally speaking, the winners of the national mathematical modeling competition for college students can get four different awards, including the first prize, the second prize, the third prize and the excellent prize, as well as special awards such as the special prize and the first prize. According to different awards, winners can get different types of certificates. Therefore, the number and types of certificates obtained will vary according to the award-winning situation of individuals or teams, not necessarily three.