Atmospheric fine-mode aerosols, which are mostly originated from anthropogenic emissions, can reflect human activity's impacts on the atmosphere. Therefore, the fine-mode aerosol optical depth (AOD_f) is one of the basic parameters in the filed of atmospheric environment. Based on the remote sensing data of Directional Polarimetric Camera (DPC) onboard Gaofen-5(02) satellite, the AOD_f data over global land of spring 2022 (from March to May) were obtained using the look-up table retrieval method in this study, and then the AOD_f inversion results were verified using the ground-based observation of AERONET sites. Based on the analysis of AOD_f distribution, it is found that the distribution of global AOD_f shows an obvious north-south difference, with low values in the southern hemisphere and high values in the northern hemisphere mainly concentrated in the Asian region. In China, AOD_f distribution shows considerable differences between the two sides of the "Hu-Huanyong Line". On the south-east side, the high AOD_f values is mainly concentrated in the Sichuan-Chongqing region, North China Plain and the Guangdong-Guangxi region, while on the north-west side, AOD_f is generally low over Qinghai-Tibet Plateau and desert area. This kind of spatial distribution pattern of AOD_f reflects the influence from both anthropogenic factors and natural factors. As for South Asia and Central-North Africa, it is shown that AOD_f distribution is correlated with smoke and soot emissions from local burning combustion, and meteorological factors such as monsoon. In addition, the AOD_f retrieval data from DPC were compared with MODIS fine-mode aerosol products, and it is found that the spatial distribution of high AOD_f from the two datasets is basically consistent, while DPC data have a better coverage for bright surface than MODIS data, which makes it more suitable for providing data support for global and regional monitoring of atmospheric environment.