A wearable projection apparatus and a projection method are provided, and the projection method comprises: acquiring color distribution information and brightness distribution information of a plurality of regions of a hand; determining modified color output parameters according to the acquired color distribution information of the regions of the hand and preset standard color information, and determining modified brightness output parameters according to the acquired brightness distribution information of the regions of the hand; controlling a projection module to output an image according to the determined color output parameters and the determined brightness output parameters. With the wearable projection apparatus and the projection method provided by embodiments of the present invention, an image projected by the wearable projection apparatus on the hand can have relatively higher uniformity in color and brightness.