eCon-Hand based on brain-computer interface consists of an EEG cap and an exoskeleton robotic hand, which communicate wirelessly via a Bluetooth module. Utilizing BCI technology, the device extracts the patient's movement intention and assists in active rehabilitation training for hemiplegic limbs through the hand exoskeleton. This product is designed for stroke patients with upper limb hemiplegia, aiming to enhance their self-care abilities through short-term rehabilitation training.