The utility model provides a hand drying device, which comprises a hand inserting portion (10), a high-pressure air generating portion (2), blowout nozzles (N1,N2), an exhaust pipe (4), a discharge hole (23), a switchover baffle plate (24) and an ion generator (22), wherein the hand inserting portion (10) is provided with a space capable of holding hands, the high-pressure air generating portion (2) is used for generating high-pressure airflow, the blowout nozzles (N1,N2) are arranged on the hand inserting portion (10) and used for ejecting the high-pressure airflow, the exhaust pipe (4) is connected on an exhaust side of the high-pressure air generating portion (2) and between the blowout nozzles (N1,N2), the discharge hole (23) is open towards peripheral space of the hand drying device, the switchover baffle plate (24) leads a portion of the exhaust pipe (4) to be opened and communicated with the discharge hole (23), and the ion generator (22) generates ions with sterilization effects in the high-pressure airflow flowing through the exhaust pipe (4) and approaching the upstream more closely than the switchover baffle plate (24).