The priority direction of the state family and demographic policy is the social support of multiple-child families. This article clarifies the essence and specifies the concept of social support in accordance with regulatory documents. The distinctive features of support as a technology of social work are determined. The analysis of the regulatory framework at the federal and regional levels in the organization of social support for multiple-child families is carried out. The features of the practical implementation of the regulatory framework in a number of regions of Russia are formulated. The approved form of the passport of social support and intradepartmental interaction on social support is presented on the example of the Ulyanovsk Region. The algorithm of providing social support to multiple-child families in the conditions of a general education organization is described. The mechanism of implementation of the technology of social support in modern conditions of socio-economic crisis is substantiated.