A feedback-control wearable upper-limb electrical stimulation device comprises a plurality of electrical stimulation electrodes (10), a plurality of myoelectric signal sensing elements (20), an electrical stimulation output unit (30), a myoelectric signal retrieval unit (35), a myoelectric signal operation unit (40), and a control module (50). Each electrical stimulation electrode (10) is adhered to or fixed in contact with a human trunk and applies an electrical stimulation signal to the neuromuscular system of the human trunk. Each myoelectric signal sensing element (20) is adhered to or fixed in contact with the human trunk at a corresponding position of the neuromuscular system of the human trunk where each electrical stimulation electrode (10) is disposed in an adhered manner. The electrical stimulation output unit (30) is connected to each electrical stimulation electrode (10) and provides an electrical stimulation signal. The myoelectric signal retrieval unit (35) is connected to each myoelectric signal sensing element (20) and receives a myoelectric signal. The myoelectric signal operation unit (40) is connected to the myoelectric signal retrieval unit (35). The control module (50) is electrically connected to the electrical stimulation output unit (30) and the myoelectric signal operation unit (40). The device first determines, according to the intensity of a myoelectric signal of a human trunk, the intensity of an electrical stimulation signal required for the human trunk to perform a specified action and gives a patient suitable assistance. Therefore, a local disabled limb of a patient can be effectively activated and a patient can be effectively exercised in controlling a diseased limb.
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