The invention discloses a multifunctional pharmacy medicine drying storage device. The multifunctional pharmacy medicine drying storage device includes a support bottom plate; the support bottom plate is welded with a cylindrical sleeve; the cylindrical sleeve is provided with a rotary shaft through a rolling bearing; the rotary shaft is successively provided with a first medicine storage zone, a second medicine storage zone, and a third medicine storage zone from top to bottom; a surface of the support bottom plate is provided with an air blower; the air blower is connected to an air heater through a connection tube; and the air heater is connected to a total air inlet pipe. According to the multifunctional pharmacy medicine drying storage device, air generated by the air blower is heated by the air heater, and then the heated air enter a protective casing through the total air inlet pipe and all the air inlet pipes, and a dry environment can be provided for medicines in the protective casing; the contact area between the medicines and the heated air can be increased with constant rotation of the rotary shaft in the medicine storage zones; the medicines in different medicine storage zones can be dried evenly, and then a good drying effect can be achieved; and the outflow air from the protective casing can be reused via an air dryer.