Connecting structure of steel structure column and steel structure beam for steel structure house system

The invention provides a connecting structure of a steel structure column and a steel structure beam for a steel structure house, and belongs to the field of constructional engineering. The connecting structure of the steel structure column and the steel structure beam comprises the steel structure column, the steel structure beam and a connecting sleeve, wherein the steel structure column comprises a cross-shaped steel core and a pipe steel shell which is fixedly connected with the cross-shaped steel core or is integrally formed with the cross-shaped steel core, a first connector is arranged on the side part of the pipe steel shell, and first threads are arranged on the surface of the first connector; the steel structure beam comprises an I-shaped steel section and second connectors which are fixedly arranged at the two ends of the I-shaped steel section, and second threads are arranged on the surfaces of the second connectors; and the connecting sleeve comprises a first connecting section which is in thread