Supporting device for steel structure house construction

The invention relates to the field of buildings and particularly relates to a supporting device for steel structure house construction. The supporting device comprises a bracket, wherein a sliding groove is formed in an inner side surface of the bracket, a safety adjusting mechanism is detachably connected to a front end surface of the sliding groove, and a multifunctional supporting mechanism is detachably connected to a lower end of the safety adjusting mechanism; an outer surface of one end of the bracket is detachably connected with a fixing mechanism, the fixing mechanism comprises a fixing plate, an L-shaped hollowed-out box, a fixing assembly, a fixing pile, a hollowed-out circular ring and a secondary fixing clamping plate, the L-shaped hollowed-out box is located on an outer surface of an upper end of the fixing plate, and the fixing assembly is located in the middle of a front end of the L-shaped hollowed-out box; the height can be adjusted, the application range is wide, and use is more convenient;