A body massaging device, comprising: a support holder, detachably mountable on a lower limb of a body; and an anal massaging assembly mounted on the support holder for compressing and/or rubbing massage on an anus and a perianal skin of the body, characterized in that the support holder comprises: a leg clamping structure, configured to clamp and fix a leg of the body; and a massaging assembly mounting bracket, mounted on the leg clamping structure, configured to mount various massaging assemblies; wherein the anal massaging assembly comprises: an anal massaging arm, mounted on the massaging assembly mounting bracket; and an anal massaging head, which is mounted at one end of the anal massaging arm and configured to exert a compressing force to an anal part under the effect of the anal massaging arm, so as to effectuate a compressing massage on the anus as well as the perianal skin, and which is configured to perform a rubbing massage on the anus as well as the perianal skin by movement of the anal massaging head on the anal massaging arm or movement of the same along with movement of the anal massaging arm; and wherein the anal massaging arm is rotatably connected to the support holder by means of a rotary shaft disk (3.1) provided on the massaging assembly mounting bracket, and an elastic element provided between the anal massaging arm and the massaging assembly mounting bracket is configured to exert a torque towards the anal massaging arm, so that the anal massaging head compresses the anus and the perianal skin. a support holder, detachably mountable on a lower limb of a body; and an anal massaging assembly mounted on the support holder for compressing and/or rubbing massage on an anus and a perianal skin of the body, characterized in that the support holder comprises: a leg clamping structure, configured to clamp and fix a leg of the body; and a massaging assembly mounting bracket, mounted on the leg clamping structure, configured to mount various massaging assemblies; a leg clamping structure, configured to clamp and fix a leg of the body; and a massaging assembly mounting bracket, mounted on the leg clamping structure, configured to mount various massaging assemblies; wherein the anal massaging assembly comprises: an anal massaging arm, mounted on the massaging assembly mounting bracket; and an anal massaging head, which is mounted at one end of the anal massaging arm and configured to exert a compressing force to an anal part under the effect of the anal massaging arm, so as to effectuate a compressing massage on the anus as well as the perianal skin, and which is configured to perform a rubbing massage on the anus as well as the perianal skin by movement of the anal massaging head on the anal massaging arm or movement of the same along with movement of the anal massaging arm; and an anal massaging arm, mounted on the massaging assembly mounting bracket; and an anal massaging head, which is mounted at one end of the anal massaging arm and configured to exert a compressing force to an anal part under the effect of the anal massaging arm, so as to effectuate a compressing massage on the anus as well as the perianal skin, and which is configured to perform a rubbing massage on the anus as well as the perianal skin by movement of the anal massaging head on the anal massaging arm or movement of the same along with movement of the anal massaging arm; and wherein the anal massaging arm is rotatably connected to the support holder by means of a rotary shaft disk (3.1) provided on the massaging assembly mounting bracket, and an elastic element provided between the anal massaging arm and the massaging assembly mounting bracket is configured to exert a torque towards the anal massaging arm, so that the anal massaging head compresses the anus and the perianal skin.