How does Huawei's mobile phone camera function make things clear and empty?

Huawei's mobile phone camera function, the object is clear and the back is empty, which makes use of the camera's own function of "large aperture".

The specific operation is as follows (this article takes Huawei mobile phone glory 9 as an example):

Tools/materials to be prepared: Huawei mobile phone.

1. First, the phone turns on the "take photos" function.

2. After entering, it will be the "take a picture" function by default.

3. At this point, select the "large aperture" function.

4. Click on the subject to be photographed clearly, and the background behind it will be blurred automatically.