[Objective] The land use change and its impact on carbon storage was studied from 2005 to 2020, and the land use pattern and carbon storage in the Pearl River Delta in 2035 were simulated and predicted, in order to provide a scientific basis for the territorial spatial planning and ecological decision-making under the dual carbon goal in the Pearl River delta region.[Methods] Based on land use data for four periods from 2005 to 2020, land use change and carbon storage evolution in the Pearl River delta urban agglomeration were analyzed by using the PLUS model and the InVEST model. The spatial pattern of land use and the carbon storage change trend in 2035 were predicted.[Results] ①From 2005 to 2020, carbon stocks initially increased and then decreased. The increased area of forest land, construction land, and unused land increased carbon stocks by 4.82×10⁷ t, and the decreased area of cultivated land, grassland and water area decreased carbon stocks by 5.10×10⁷ t. ② In 2035, with an expected increase of construction land and forest land, carbon storage will increase by 5.75×10⁷ t compared with 2020, and the ecological environment will improve. ③ Carbon storage showed a spatial distribution pattern of "higher in the surrounding areas and lower in the middle" that was significantly consistent with the spatial distribution of land use, i.e., the high-value carbon storage areas were concentrated in forest land, cultivated land, and grassland, and the low-value carbon storage areas were concentrated in construction land.[Conclusion] With the needs of future urban development, government departments should carry out comprehensive land development and utilization, adopt ecological restoration measures based on biological and engineering technology, and improve regional carbon sequestration capacity so as to achieve carbon neutrality.