The utility model relates to a single-phase motor speed regulation control function execution apparatus used for baking and drying equipment. The structure of the apparatus of the utility model is characterized in that a phase detection circuit is connected with a single chip microcomputer; the single chip microcomputer is connected with a control signal terminal of a silicon controlled rectifier control circuit through a middle high voltage isolating circuit; an output terminal of the silicon controlled rectifier control circuit is connected with a protection circuit; the protection circuit is connected with the single-phase motor. Compared to the prior art, by using the apparatus of the utility model, there are the following advantages that poleless speed regulation of the motor can be realized and an operation is stable when the apparatus is started; the apparatus is suitable for automatic speed regulation of the single-phase motor in automatic tobacco baking and drying control equipment.