1. Subject: In environmental portraits, people are the subject of photography and the core of the picture. The main characters are used to express their mood, and the photos are taken directly from the facial expressions, movements and costumes of the characters.

2. Environment: In environmental portraits, the environment is the companion of photography, which is divided into foreground and background. The foreground can sometimes use props, but the design of the environment can not be separated from the performance of the main body.

3. Props: It has the function of echoing the main body, making people directly feel the environmental atmosphere of the picture, rendering heavy emotional colors, enriching the performance of the picture, and generating many associations.