A method for censoring inappropriate images during a video call is disclosed. The method includes: receiving, from a first terminal, a stream including a plurality of images captured by the first terminal; attempting to detect a face in each of one or more sample images selected among the plurality of images included in the stream; determining that the face has not been detected in at least some of the sample images; performing image processing on at least one of the plurality of images included in the stream; and displaying the plurality of images included in the stream.