The invention discloses a minitype synthesizer for teaching. The minitype synthesizer for teaching is characterized by comprising a reaction device (1), a temperature control device (2), a heating device (3), an automatic liquid adding device (4), a stirring device (5), a condensation device (6) and a temperature measurement device (7), wherein the reaction device (1) is positioned in the heating device (3), and is respectively connected with the temperature measurement device (7), the automatic liquid adding device (4), the stirring device (5) and the condensation device (6) in an enclosed mode. The minitype synthesizer for teaching provided by the invention integrates functions of controllable temperature and controlling the liquid adding point and liquid adding quantity and the like automatically according to the temperature of a reaction liquid, is in modular design, is small in volume, simple in structure, low in cost, easy to maintain, and suitable for application of various chemical synthesis reactions, and has common adaptability.