PURPOSE: A burner is provided to discharge smoke occurred during burning to outside without discharging combustion heat and to heat water without using a container. CONSTITUTION: A burner comprises a main housing(100), a combustible material holder(200), and a blowing box(400). The main housing has an inner space and vent holes. The combustible material holder is installed inside the main housing. The inside the blowing box is communicated with the main housing through the vent holes. The blowing box has smoke exhaust holes(410). The smoke exhaust holes discharge the smoke of a combustible material to outside.
