2.
The overall strength is still the United States. Many hospitals in the United States are affiliated with universities or medical research institutions, and because there are sufficient medical practitioners, doctors have many opportunities to engage in scientific research and teaching in addition to their own jobs. In contrast, China's medical institutions and talents are in short supply. Medical staff are too busy with business to take into account scientific research. Basic medical research is disconnected from clinical practice, so medical scientific research cannot make progress.
In addition, medicine is closely related to other basic disciplines, such as biology, chemistry, mathematics, life sciences, etc. The United States is more advanced than China in these aspects.
3. However, China also has its own advantages. For example, Chinese doctors have far more practice opportunities than foreign doctors, so they are not inferior to Western doctors in terms of surgical skills and experience.