During the undergraduate period paid a year of social security, directly to graduate school, graduation affect the Shanghai settlement?

No. The first thing you need to do is to get your hands on a new car, and you'll be able to do that. You need to fulfill the following conditions to settle down in Shanghai:

1. Holding a bachelor's degree and paying social security for 2 years, you can settle down in Shanghai.

2. Holding a master's degree with a graduate degree and paying social security for 1 year can settle down in Shanghai.

3. Holding a doctoral degree, you can directly settle in Shanghai.