The invention discloses anti-ultraviolet protection type easy-care finishing liquid for shirts and a finishing method of the shirts. The anti-ultraviolet protection type easy-care finishing liquid is prepared from butanetetracarboxylic acid, ammonium citrate, triethanolamine, malic acid, sodium hypophosphite, propylene glycol, quaternized modified amino silicone oil, boric acid, amino-modified etherifed polysiloxane, fatty alcohol-polyoxyethylene ether, diphenylethylene disulfonate derivatives, chitosan, N, N-dimethyl formamide, tetrabutyl titanate, diluted hydrochloric acid, an emulgator REO15, an appropriate quantity of titanate coupling agent, an appropriate amount of maleic anhydride, an appropriate amount of absolute ethyl alcohol and an appropriate amount of deionized water. The anti-ultraviolet protection type easy-care finishing liquid for the shirts and the finishing method of the shirts have the advantages that the finishing liquid is safe, healthy, non-irritating and environment friendly, and is excellent in ultraviolet ray shielding performance and protection effect, high in combining capacity, lasting in protection performance and capable of making the shirts highly resistant to crease and wash, easy to care and full, soft and smooth to touch.