1. Increased business demand: The hospital is facing an increase in business demand, such as the increase in the number of patients and the start of new departments or diagnosis and treatment projects. In order to provide better medical services, hospitals need to increase the number of medical staff.

2. High employee mobility: The hospital is a relatively high mobility working environment with high employee mobility. Employees who leave, change jobs or retire for personal reasons need to recruit new people to fill job vacancies. Hospital is an institution that provides medical services, and its main function is to diagnose, treat and care patients. Hospitals are usually composed of a group of doctors, nurses and other medical professionals, who cooperate to provide medical services, usually equipped with various medical equipment and technologies.