How does Nikon d5300 take photos with blurred background and clearly visible characters?

(1) is set to gear A, and the lens aperture is adjusted to f5.6；; The focal length turns to the telephoto end of the lens.

(2) framing, the lens is closer to the person, and the background behind the person is as far as possible.

(3) Focus on people and shoot.

Nikon: It is a famous camera manufacturer in Japan. Founded in 19 17, formerly known as Japan Optical Industry Co., Ltd.. 1988, the company was renamed as Nikon Co., Ltd. with its headquarters located in Marunouchi, Chiyoda District, Tokyo, Japan, and its camera-related business and service center located in Xidajing, Shinagawa District, Tokyo, Japan.