How do you kill frogs in patio?

Frog control is almost entirely making the area less conducive. Eliminating food source (insects) a well manicured lawn (harborage reduction) and most importantly-moisture reduction-they must have a place to soak, if this can be removed, you are almost assured success. if it can't, example a pool, it is tough but there is also a very effective inexpensive solution called frog netting for your fenceline. If you have wood Fencing you can install with a stapler and scissors. this will keep them from encroaching onto your property