1. For example, in the way of picture-in-picture, put the video material of shot A on video track 1, put the video material of shot B on video track 2, add the built-in plug-in of picture to the video material of two video tracks respectively, and directly search for picture-in-picture in the effect bar, and you will find this plug-in. At the same time, pay attention to the position of the picture in picture: upper right-upper left-lower.

2. For another example, adding a mask can also make two shots exist at the same time. The method is as follows: put lens A on video track 1 and lens B on video track 2, search for "eight-point useless signal mask" in the effect bar and add it to track 2, and adjust the mask border to make the video material of this track display only half of the picture, so as to realize the effect of coexistence of two lenses.