Household mini-sized combustion gas heating and hot water supplying boiler

The invention relates to a household mini-sized boiler using a gas cooker and aims to provide a household mini-sized combustion gas heating and hot water supplying boiler. A furnace for providing heat is a gas cooker. The household mini-sized combustion gas heating and hot water supplying boiler is characterized in that a boiler for heat exchange comprises a pedestal, a heating chamber, a heating boiler heat collector, a hot water supplying boiler heat collector, a heating boiler smoke separating wall, a hot water supplying boiler smoke separating wall, a smoke collector and a smoke evacuation pipe, which are arranged in a shell of a heating boiler and in a shell of a hot water supplying boiler, wherein the heating boiler heat collector is arranged above the pedestal and the heating chamber, the heating chamber is arranged the bottom of the heating boiler, air inlets are positioned in the side surfaces of the pedestal and the heating chamber, an enclosed space is formed between the heating boiler heat collect