Artistic sense and recognition:

Choose a unique head portrait, such as a unique illustration or hand-painted style, to increase artistic sense and recognition.

Bright colors:

Choose striking colors, such as red, yellow or orange, to attract people's attention.

Relevance:

Ensure that the avatar is associated with the account content and brand image. For example, tourist accounts can select images representing tourism, such as globes, planes or places of interest; Food account can choose food pictures or cookers.