Wearable human body back massager

The invention relates to a wearable human body back massager, belongs to the technical field of human body massaging assisting devices, and aims at mainly solving the problem that people cannot massage themselves. The wearable human body back massager comprises a massager body, a massage support and a hinging device, and the massager body is in a bent-rod shape and is composed of a handle part, alever part and a massage rod part; the hinging device comprises a vertical through tube, a horizontal through tube and a connection rod, the vertical through tube and the horizontal through tube are connected in a cross mode through the connection rod, one end of the connection rod is fixedly connected to the horizontal through tube, and the other end of the connection rod is movably connected tothe tube wall of the vertical through tube; the lever part penetrates through the vertical through tube and is slidably connected to the vertical through tube; a top horizontal beam of the massage support is sleeved with and s