Global land surface characteristic parametric product -leaf area index LAI_ Modis (0.05 °) (2018), product-related files include HDF and XML files, where data entities are stored in HDF files, and product metadata information is stored in HDF and XML files. This product has the characteristics of long time series, high resolution and high precision, which provides a reliable basis for the study of global environmental change. It can be widely used in the dynamic monitoring of the global, intercontinental and regional atmosphere, vegetation cover, water body, etc., and it combines with climate change characterization parameters such as temperature and precipitation which can be used in global change analysis. It can provide good scientific basis, technology and data support for the global ecological environment evolution law, ecological environment monitoring, resource development and social and economic sustainable development.