Cut off several small parts of the stickers  like ,

Clean ur nail, for better effect, you can first apply the base polish ,

Apply colorful nail polish ( dont make it too thick) onto your nail , and  wait the color polish to be between wet sticky and dry, 

 Place the  sticker onto your nail,  and press it gently ( u can repeat this step), pls make sure the nail sticker and nail adhesive . Then tear off the nail sticker down. 

 For better effect, u can apply top coat on your nail. Then you will have the beautiful foil nail art