An electroencephalogram detection device is disclosed includes an electroencephalogram collecting unit and an electroencephalogram processing unit. The electroencephalogram collecting unit is configured to collect brain wave signals, and then send the brain wave signals to the electroencephalogram processing unit； the electroencephalogram processing unit is configured to receive the brain wave signals, and analyze the brain wave signals； the electroencephalogram collecting unit includes a self-powered module for supplying power to it.
