To provide a wood pellet stove capable of preventing drying of indoor air while securing efficient combustion and safe handling of a high temperature part.

This wood pellet stove 31 comprises a pellet tank 2 for storing wood pellets A of fuel; a combustion chamber 3 airtightly partitioned between the inside and outside by a peripheral wall 3b to burn the wood pellet fuel A received from the pellet tank 2; and a forced supply/exhaust part 23 communicating with vent holes 21a, 22a formed in the peripheral wall 3b of the combustion chamber 3, to supply/exhaust outside air. The exhaust side of the forced supply/exhaust part 23 is formed of an exhaust cylinder 32 communicating with the combustion chamber 3 to lead exhaust air to the outdoors, and an indoor part of the exhaust cylinder 32 is provided with a humidifying part 34 formed of an evaporating container 35 for storage transpiration.