Modern construction is characterized by an increase in height of buildings and spans of overlaps, etc. This requires the use of columns having a high load bearing capacity at small cross-sections. One of solutions to this problem is to use concrete-filled steel structures. The article provides an overview of the application of these structures in foreign countries. The basic advantages and disadvantages of concrete-filled steel structures are stated. The basic problems of their application in modern construction and ways of theirsolution are given.