1. For multiple parcel shipments, you need to fill in the tracking number of each parcel.

2. The reason for filling in the tracking number is to facilitate the express company to track and manage the parcel, and it can also allow the recipient to know the status of the parcel in time.

3. When filling in the tracking number, you can fill in the tracking number of each parcel in the corresponding parcel information column, or you can put all the tracking numbers in the same remarks column for the courier to scan. At the same time, you also need to pay attention to filling in the correct tracking number to avoid problems such as parcel loss or wrong delivery.