1. First, open any browser, search for "Best Express" in the search engine, and select official website to enter, as shown in the following figure:

2. After entering official website, select the physical examination and express delivery functions indicated by the red arrow, as shown in the figure below:

3. Then enter the best number you want to query, and click the Query button to query, as shown in the figure below:

4. Finally, you can get the logistics information of the relevant waybill, as shown in the following figure: