The difference between the two is that their professional fields are different and their research directions are different.

1. Different professional fields: Mu Quan is an obstetrician and gynecologist, and his main professional field is maternity knowledge. Wang Xin, Dean, Professor and Doctoral Supervisor, School of Materials Science and Engineering, China Ocean University. His major is materials science and engineering.

2. Different research directions: Muquan mainly studies maternity knowledge, including problems and precautions during pregnancy, childbirth and postpartum. Wang Xin mainly studies the field of materials science and engineering, including the preparation, properties and applications of materials.