This article analyzes the impact of Guangdong Province's fiscal basic public service expenditures on labor supply, divides Guangdong Province into three major regions, and explores the impact of fiscal investment in basic public services on the quantity and quality of labor force, using the 2007‐2018 data of 21 prefecture‐level cities in Guangdong Province. The empirical results show that the fiscal basic public service expenditures in Guangdong Province, the East and West Wings and the Northern region have a positive effect on labor supply, while the Pearl River Delta region fiscal basic public service expenditures have no significant effect on labor supply. It is recommended to: increase financial investment in basic public services and improve the overall quality level of public services; promote the equalization of basic public services and promote the rational distribution of population and labor between regions in the province; break the household registration restrictions and include the floating population in the scope of basic public service guarantees; improve public services, attract more high‐quality talents, increase investment in education, and improve the quality of the stock labor force; introduce market mechanisms to attract private capital through public finances.