A finger joint rehabilitation device, comprising: at least one of an index finger joint rehabilitation aid part, a middle finger joint rehabilitation aid part, a ring finger joint rehabilitation aid part, a little finger joint rehabilitation aid part and a thumb joint rehabilitation aid part; each of the finger joint rehabilitation aid parts has one corresponding corrugated tube; one protective brace configured to be fixed on a wrist and a palm of a user; a rubber part corresponding to the joint rehabilitation aid part on each finger; and at least one bonding fastener, wherein the index finger joint rehabilitation aid part, the middle finger joint rehabilitation aid part, the ring finger joint rehabilitation aid part, the little finger joint rehabilitation motion and the thumb joint rehabilitation aid part are each configured to be fixed on the protective brace by means of the at least one bonding fastener; and each respective corrugated tube is fixed on the rubber part, whereby, in use, by means of filling air into and extracting air from the corrugated tube, air pressure in the corrugated tube is controlled to force each respective corrugated tube to perform stretching and compression, so that joints in need of rehabilitation are forced to move under the drive of the stretching and compression of the corrugated tube, characterized in that, the at least one corrugated tube is a tube with a hollow interior wherein the hollow interior is formed of a plurality of crests and a plurality of troughs connected alternately, a middle end face of a tail end of the at least one corrugated tube is provided with a boss, with a thickness of the boss being greater than a wall thickness (t) of the at least one corrugated tube, and both a first section at a head end and a last section at the tail end of the at least one corrugated tube are crests, with a width (k) of both a crest of the first section at the head end and a crest of the last section at the tail end being greater than the wall thickness of the at least one corrugated tube, preventing the head end and the tail end of the at least one corrugated tube from collapsing inwards when an air pressure in the at least one corrugated tube decreases. at least one of an index finger joint rehabilitation aid part, a middle finger joint rehabilitation aid part, a ring finger joint rehabilitation aid part, a little finger joint rehabilitation aid part and a thumb joint rehabilitation aid part; each of the finger joint rehabilitation aid parts has one corresponding corrugated tube; one protective brace configured to be fixed on a wrist and a palm of a user; a rubber part corresponding to the joint rehabilitation aid part on each finger; and at least one bonding fastener, wherein the index finger joint rehabilitation aid part, the middle finger joint rehabilitation aid part, the ring finger joint rehabilitation aid part, the little finger joint rehabilitation motion and the thumb joint rehabilitation aid part are each configured to be fixed on the protective brace by means of the at least one bonding fastener; and each respective corrugated tube is fixed on the rubber part, whereby, in use, by means of filling air into and extracting air from the corrugated tube, air pressure in the corrugated tube is controlled to force each respective corrugated tube to perform stretching and compression, so that joints in need of rehabilitation are forced to move under the drive of the stretching and compression of the corrugated tube, characterized in that, the at least one corrugated tube is a tube with a hollow interior wherein the hollow interior is formed of a plurality of crests and a plurality of troughs connected alternately, a middle end face of a tail end of the at least one corrugated tube is provided with a boss, with a thickness of the boss being greater than a wall thickness (t) of the at least one corrugated tube, and both a first section at a head end and a last section at the tail end of the at least one corrugated tube are crests, with a width (k) of both a crest of the first section at the head end and a crest of the last section at the tail end being greater than the wall thickness of the at least one corrugated tube, preventing the head end and the tail end of the at least one corrugated tube from collapsing inwards when an air pressure in the at least one corrugated tube decreases.