1. Trimmingclean and polish the fingernails, paint the background color on the fingernails and dry it out. 2. Remove the film of the product, cut out the pattern and plunge it into water 10-20 seconds. 3. Moisten the fingernails, and stick the pattern in position. 4. Sop up the water with a paper towel and blow-dry. 5. Cap with clear nail polish and blow-dry.