Take out toothpaste lid and insert the suction inlet. if not light inserted, will make air flow in, cause less extrusion quantity or not easy to be squeezed out. clean the surface of tile and glass which can install the toothpaste dispenser. Make sure the adhesive the surface be clean, dry, smoothed and not to be polluted. Put the double-sided adhesive onto the surface. To achieve good adhesive, please make some pressure on the Double-sided adhesive and surface. To achieve surface, make sure they are pasted adequate. Push the button of the dispenser to get out a certain amount of toothpaste every time depending on personal needs. Clean the toothpaste dispenser, dip it in warm for 2 hours, then it with soft brush. Don't use cleanser or chemical medicine which is harmful for health