The utility model relates to a hyperacute cerebral hemorrhage detector, comprising a low-field nuclear magnetic resonance scanner; the low-field nuclear magnetic resonance scanner, according to the position of the patient's head in sitting or standing, is adjusted by a horizontal moving device and a vertical moving device, so that the patient's head is located at the center of the low-field nuclear magnetic resonance scanner; the low-field nuclear magnetic resonance scanner is connected to a system cabinet, a display screen, and an operation panel through a data cable.