: Consider using professional GIS systems such as Baidu Maps and Gaode Maps, which can be used as both reference and one of the drawing tools. Not only does this help with accurate drawing, but it also gives you a deep understanding of the characteristics of each dimension of detail.
: At each stage of map drawing, try to walk around and see on the spot, so that the specific geographical distribution can be grasped more firmly in a three-dimensional image.
Step 2: Fill in the details 
Preparation
