An orthopedic rehabilitation treatment massager solves the problems that arm soreness is caused by long-term work and the rehabilitation treatment effects are large in difference due to the differentlevels of assistants. The orthopedic rehabilitation treatment massager comprises a box body. A vertical rotatable first lead screw is arranged in the box body. The two ends of the first lead screw areopposite in thread turning direction. The two ends of the first lead screw are each in threaded connection with a first rectangular block. The two first rectangular blocks move relative to the firstlead screw. The left end of each first rectangular block is connected with a first clamping plate. A horizontal rotating second lead screw is arranged in each first clamping plate. The left end and the middle of each second lead screw are opposite in thread turning direction. The left end and the middle of each second lead screw are each in threaded connection with a second rectangular block. Thetwo second rectangular blocks move relatively in each first clamping plate. Each second rectangular block is connected with a second clamping plate. The four second clamping plates are placed betweenthe two first clamping plates.