[Problem to be Solved]To provide a device for rehabilitation capable of giving a patient who cannot express an intention to voluntarily move the body a kinesthetic illusion that the his/her own body is moving and thus achieving a high rehabilitation effect, a rehabilitation system including it, a program for rehabilitation, and a rehabilitation method.[Solution]The device for rehabilitation includes: a biological signal acquisition unit 71 that acquires biological signals from a patient imparted with illusory stimulation for inducing a kinesthetic illusion； a characteristic biological signal detection unit 72 that analyzes the biological signals and detects a characteristic biological signal indicating a state where the kinesthetic illusion is induced； and a control signal output unit 73 that outputs control signals for controlling body driving means 4 and/or brain simulating means 5, when the characteristic biological signal is detected.
