Alcohol based liquid fuel stove

The utility model relates to a fuel stove using alcohol radical liquid as fuel. The inner wall of the combustion chamber connected with an enclosed ring-shaped cavity body type preheating chamber forms an entirety; a fuel tank is communicated and connected with the preheating chamber by a liquid delivery tube and a liquid return tube; the inner upper part of the preheating chamber passing across an air regulation valve is communicated and connected with the combustion chamber by an air delivery tube; a primer combustion tube which is led out by the air regulation valve is arranged between the lower part of the preheating chamber and a liquid storage disc.