a spine rehabilitation exercise device comprises a soleplate ; and an exercise mechanism disposed on the soleplate , wherein the exercise mechanism comprises a sliding mechanism movably disposed on the soleplate ; a supporting base movably mounted on top of the sliding mechanism , the supporting base being capable of rocking on top of the sliding mechanism ; a pillow mounted on the supporting base ; and an elastic assembly disposed between the pillow and the supporting base . the whole device has simple structure , convenient assembly , small and compact volume and good mobility and portability ; the device can not only have health care and therapeutic effects on spine , but also be used as a pillow on other occasions , thereby having high practicability and better flexibility in use ; moreover , the device is not driven by a power supply , so that it is safer and more reliable to use .