A method for monitoring a packaging process of at least one article. In the method, a sort of an article is acquired before it is placed in a transport container. At least one image and at least one depth measurement of the article are recorded after it is placed in the transport container. The three-dimensional dimensions of the article are calculated and are compared with a specification for the acquired sort of the article. If the dimensions of the article do not agree with the specification, a warning is issued.