Introduction to vertical vegetation spectrum: Climate changes with increasing altitude, and climate changes lead to different species. From bottom to top, Baishanzu is divided into: evergreen broad-leaved forest, evergreen deciduous mixed forest, deciduous forest, dwarf forest, shrubs, and meadows, forming six complete vertical vegetation spectrums with clear boundaries. It constitutes a unique forest landscape and also reflects the changes in climate (especially temperature and precipitation) and soil at different altitudes.