1. Good development prospects: Pfizer, founded in 1849, is one of the largest biopharmaceutical companies in the world. Rooted in China for more than 30 years, it has become one of the major foreign pharmaceutical companies in China.

2. Good benefits: Pfizer has good salary and benefits, working environment and training development.

3. Development potential: Pfizer's product line covers a wide range of fields, including prescription drugs and vaccines in tumor, vaccine, anti-infection, inflammation and immunity, rare diseases and other fields, which can meet the needs of different patients.