Abstract: Adopting undergraduates who will graduate from universities in Tianjin as study sample, the research first gives the factors affecting the gap between graduates’ expected income and actual income and then divides the variables into personal, study and environment. Meanwhile, utilizing methods like variance analysis and regression to ensure the core factors affecting the instability of graduates’ career on the incipient labor market and analyzing the research fruit reasonably, the research will contribute to not only the advanced stability of graduates’ career on the incipient labor market overwhelmingly, but also to the graduates’ future development.