Brain wave cap

The utility model provides a simple and convenient wearable brainwave cap for home detection, which is used for simultaneously detecting brainwave and heart rate variability data of a testee and consists of a head surrounding ring, a plurality of head top bands and a control unit, a plurality of head circumference electrodes and head top electrodes are respectively arranged on the inner circumference surface of the head circumference ring and the lower surface of the head top band; the inner diameter of the head circumference ring and the length of the head top band can be adjusted according to the size of the head of a user, so that each electrode can be in contact with a brain wave site corresponding to the head. 本实用新型提供一种居家检测用简便穿戴型的脑波帽，用以同时检测受测者的脑波及心率变异性数据，该脑波帽由一头围环圈、多个头顶带及一控制单元所构成，并且在该头围环圈的内围表面以及头顶带的下表面分别设有多个头围电极与头顶电极；该头围环圈的内径大小以及该头顶带的长度都可以依据使用者的头部大小来调整，使每一个电极都能接触至头部对应的脑波位点。