The utility model discloses an intelligent temperature controller, including transformer W, rectifier bridge T1, chip IC1 and ampere meter P, the both ends of 220V commercial power are connected respectively at transformer W's winding N1's both ends, and rectifier bridge T1's port 1 and rectifier bridge T1's port 3 are connected respectively to transformer W's winding N2's both ends, transformer W's winding N2's one end connecting resistance R2, and potentiometre RP1's a stiff end is connected to resistance R2's the other end. The utility model discloses intelligent temperature controller simple structure, components and parts are few, adopt the polyphase transformer to combine voltage stabilizing element, voltage comparater to make, obtain improving for traditional control by temperature change circuit stability, control through the thyristor, have reduced relay mechanical contact's ageing problem, consequently have long service life, the function is various and convenient to use's advantage.