How to take a misplaced photo? Let things near and far be empty?

There are two reasons for object blurring: First, because the shooting distance is too close, it is easy to blur nearby objects; Secondly, because of the setting of aperture parameters, it is easy to blur distant objects.

I suggest you use the M file, find a well-lit environment, set the aperture to F 1 1 to F 16, and keep the camera at a certain distance from nearby objects, so that your problem can be effectively solved. I wish you by going up one flight of stairs in your photography study!