To provide an upright smokeless firewood stove capable of properly controlling a flow of air without using a complicated device, and further improving combustion performance.

A body outer shape is provided to be vertically long by a top plate portion 2a, a bottom plate portion 2b, and a peripheral body portion 2c, and provided so as to form a combustion space including a primary combustion chamber 10 extended downward from an inner surface of the top plate portion 2a and having a feeding port 11 of a firewood-shaped solid fuel and an air supply port 12, and a secondary combustion chamber 20 including an exhaust port 21 coupled to a chimney 5. A combustion promoting plate portion 30 is provided, which is formed with a lower end edge 32 while keeping a space from a bottom surface 17 of the combustion space, has a large number of through-holes 31, and promotes combustion by being heated. The exhaust port 21 is provided on a rear part side of the top plate portion 2a of the combustion space, a back surface portion 2cb which is a rear part side of the peripheral body portion 2c is provided so as to tilt backward. Therefore, the exhaust port 21 is positioned above a tilting surface of the back surface portion 2cf.