Article is devoted to the analysis of ceremonialism of Germans of Siberia. Development of ceremonialism in diasporas has the features: long preservation, preservation of archaic elements, a high degree of variability of ceremonialism, a plenty of loans. In the article to be resulted it is a lot of examples these features in wedding ceremonies of Germans of Siberia. Also, in the article archaic customs which have already disappeared in Germany, local variants of customs, the elements of the culture which has turned ethnic symbols are considered. Reconstruction and the analysis of wedding ceremonies at Germans of Siberia have been executed on the basis of materials of ethnographic expeditions.