The article explains how to use a project-based method as an effective means of interdisciplinary interaction when teaching a foreign language on the example of The Institute of service, tourism and design (branch) of the North Caucasus Federal University (Pyatigorsk, Stavropol Territory Russia). The article holds the main objectives of the project-based method, forming their classification. The authors point out the need to conduct pre-project work by mindfully selecting the appropriate linguistic material, developing a definite system of tasks and exercises. Another important step is the selection of general or profile topics that could be of interest to students in terms of their future profession. In addition, the article describes several out-of-class projects as well as it provides basic requirements for using the project-based method while teaching a foreign language.