The disclosure provides a massage apparatus including a main massage device and an auxiliary massage device. The auxiliary massage device is electrically connected to the main massage device after passing an authentication procedure. The authentication procedure includes following steps. The main massage device is connected to an Internet. The main massage device is registered on a cloud data base. The main massage device transmits an authentication signal to the auxiliary massage device. The main massage device determines whether the auxiliary massage device is being unlocked according to an authentication information transmitted by the auxiliary massage device.