The article is devoted to the importance and relevance of the development of underground space, today in large cities there is an acute shortage of areas free from development, as well as the high traffic congestion with personal cars, these and many other problems can be solved through the integrated development of underground space. The classification of underground structures is given. The organizational and technical problems of construction below the zero cycle are indicated. Examples of competent use of underground space in the world are considered. Benefits of construction below zero cycle are also noted. The objects, the construction of which is promising underground, are described. Attention is drawn to the climatic and anthropogenic factors taken into account during construction. In conclusion, the measures that need to be taken for the development of the underground space of our cities are considered.

Keywords: development of underground space urban studies, organization of construction of underground structures, urban space, cramped urban development, organizational and technical problems