Disclosed is a nail art tool, including a plurality of manicures or nail art paints (10) having various colors, an image plate (12) having a plurality of image recesses (14) engraved with various patterns or letters, a blade unit (16) to evenly trim the manicure or nail art paint (10) in the image recess (14) of the image plate (12), and a stamp (18) to carry the manicure or nail art paint in the image recess of the image plate and then stamp the manicure or nail art paint on the fingernail or face of the user. Also, there is disclosed a method of providing nail art using the nail art tool. The current invention allows users to easily and quickly paint their nails or faces with various decorative patterns, letters or other designs at a low expense so as to express their personalities and characters.