The microstructure establishment of amorphous alloys with various concentrations of components is the aim of the paper as well as the establishment of the influence character of the second component type, the atomic environment of microclasters and single disturbances on the microstructure. As a result the microstructure of metal - metalloid and metal - metal amorphous alloys with various concentrations of components has been investigated. Some features of the microstructure in dependence on the second component type have been discovered. The influence of single disturbances on the microstructure has been investigated. The complex of molecular dynamics programs and programs, applied for the structure analysis has been improvedAvailable from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio