Heat map is to use the acquired cell phone base station to locate the number of users in the area, and render the map color by the number of users. The key to realizing the display of the density of people in the area is the acquisition of data (coordinate information).

1, open the Baidu search page, enter "Baidu map" or "map", click search. In the search results, the first item is Baidu Maps.

2. Open the Baidu Maps webpage, you can browse Baidu Maps, 3D Maps and Image Maps.

3. On the left side of the Baidu Maps webpage, you can see some applications, click "Heat Map" to open the Heat Map application webpage.

4. When you open the Heat Map web page, you can see a slider in the upper right corner of the map interface, and a button on the right side of the slider, so you can click the button to automatically play the heat map for the last 8 hours or a week.