1, many factories. There are many factories in Shahe, Ganzhou City, and most of the migrants come to work in the factories, but there are few factories in Shashi Town.

2. the flow of people is fast. The mobility of people in Shahe, Ganzhou City is relatively large, and most of them are migrants, while the people in Shashi Town are stable and all are local residents, so there are more migrants in Shahe, Ganzhou City.