The invention discloses a using effect displaying method and device, and belongs to the field of mobile internet. The method comprises the steps of obtaining at least one using effect data of an appointed target object; obtaining a face model of a user; conducting using effect rendering on a target part corresponding to a product type on the face model to display a using effect according to the product type and at least one using effect data of the appointed target object. According to the using effect displaying method and device, the three-dimensional face model of the user is obtained, rendering is conducted on the target part of the face model according to the using effect data of the target object, an actual using effect of the user can be simulated, the guidance and reference of display are greatly improved, and accordingly the user can purchase visually according to the actual using effect of him/herself.