The invention relates to a multifunctional energy-saving and environment-friendly stove. The multifunctional energy-saving and environment-friendly stove comprises a stove body and a fan control device connected with the stove body, wherein the stove body comprises a base and a shell installed on the base in a sleeved mode, and a cooking utensil panel is further arranged on the shell; a feeding bin and a stove chamber communicated with the feeding bin are formed in the stove body, cooking stove openings are formed in the upper surface of the stove chamber, and the cooking utensil panel is arranged on the cooking stove openings in a sleeved mode; a plate type smoke-water heat exchange system is further arranged in the stove body and comprises a smoke exhaust channel device and a plate type smoke-water heat exchanger connected with the smoke exhaust channel device. By the adoption of the plate-type smoke-water heat exchange structure, the multifunctional energy-saving and environment-friendly stove is high in heat exchange efficiency and saves energy, the heat exchange area can be increased at the same power without increasing the size, and the application range is enlarged.