A projection method of a wearable projection apparatus, comprising: acquiring color distribution information and brightness distribution information of a plurality of regions of a hand; determining a reference color value according to the acquired color distribution information of the regions of the hand, determining modified color output parameters according to the determined reference color value, the acquired color distribution information of the regions of the hand and preset standard color information, determining brightness correction factors of the regions of the hand according to the acquired brightness distribution information of the regions of the hand, and determining modified brightness output parameters according to the brightness correction factors and 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, wherein determining the modified color output parameters according to the determined reference color value, the preset standard color information and the determined color distribution information of the regions of the hand, is performed by calculating using formulae as follows: { Δ ⁢ U = U s − U o Δ ⁢ V = V s − V 0 { U ′ x y = U x y + Δ ⁢ U V ′ x y = V x y + Δ ⁢ V where, U '( x, y) is a modified red tone output parameter; V' ( x,y) is a modified blue tone output parameter; U ( x,y) is red tone information in the color distribution information of the regions of the hand; V ( x,y) is blue tone information in the color distribution information of the regions of the hand; U s is red tone information in the preset standard color information; U 0 is a red tone value in the determined reference color value; V s is blue tone information in the preset standard color information; and V 0 is a blue tone value in the determined reference color value; and determining the modified brightness output parameters according to the brightness correction factors of the regions and the determined brightness distribution information of the regions of the hand is performed by calculating using formulae as follows: Hand x y = Y x y Y max Y ′ x y = Y x y × Hand x y where Y' ( x,y) is the modified brightness output parameter; Y ( x,y) is the brightness distribution information of the regions of the hand; Hand ( x,y) is the brightness correction factor; and Y (max) is a highest brightness value in the brightness distribution information of the regions of the hand. acquiring color distribution information and brightness distribution information of a plurality of regions of a hand; determining a reference color value according to the acquired color distribution information of the regions of the hand, determining modified color output parameters according to the determined reference color value, the acquired color distribution information of the regions of the hand and preset standard color information, determining brightness correction factors of the regions of the hand according to the acquired brightness distribution information of the regions of the hand, and determining modified brightness output parameters according to the brightness correction factors and 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, wherein determining the modified color output parameters according to the determined reference color value, the preset standard color information and the determined color distribution information of the regions of the hand, is performed by calculating using formulae as follows: { Δ ⁢ U = U s − U o Δ ⁢ V = V s − V 0 { U ′ x y = U x y + Δ ⁢ U V ′ x y = V x y + Δ ⁢ V where, U '( x, y) is a modified red tone output parameter; V' ( x,y) is a modified blue tone output parameter; U ( x,y) is red tone information in the color distribution information of the regions of the hand; V ( x,y) is blue tone information in the color distribution information of the regions of the hand; U s is red tone information in the preset standard color information; U 0 is a red tone value in the determined reference color value; V s is blue tone information in the preset standard color information; and V 0 is a blue tone value in the determined reference color value; and determining the modified brightness output parameters according to the brightness correction factors of the regions and the determined brightness distribution information of the regions of the hand is performed by calculating using formulae as follows: Hand x y = Y x y Y max Y ′ x y = Y x y × Hand x y where Y' ( x,y) is the modified brightness output parameter; Y ( x,y) is the brightness distribution information of the regions of the hand; Hand ( x,y) is the brightness correction factor; and Y (max) is a highest brightness value in the brightness distribution information of the regions of the hand.