An automobile neck pillow relates to an automobile seat articles technology field, which adopts a key technology truly adapted to human mechanical physiological curves and makes a multiple choice about materials of a core body and an elongated housing and a scientific measurement about shapes and sizes thereof to make the core body and the elongated housing match with each other, wherein the core body is soaked in medical liquids of health care to provide health care and healing to the neck, the core body is attached with a bamboo charcoal fiber cushion, an infra-red cloth, or a negative oxygen ion cloth while integrally being sprayed with perfume, and a brace provided in the elongated housing is mounted between a seat and a head cushion by a longitudinal fixation, a transverse fixation, a combination of longitudinal and transverse fixation, a head-sleeving fixation, or an integral fixation with the head cushion.