1. Dry apple: Wash the apple, remove the core, cut it into 1.5mm thickness, cut it into clear water to prevent oxidation, take it out after cutting, put it on oil paper to remove the water from the apple slices, and bake it in the oven at 1 degrees for about 1 hour and 3 minutes.

2. The method of dried bananas: cut bananas into 3 mm, spread them on tin foil, put them in a saucer, sprinkle some sugar on the surface, put them in the middle layer of the oven for 4 minutes at 13 degrees, and then move them to the upper layer for 5 minutes at 1 degrees.

3. The method of kiwi fruit chips: peel and slice for about 4 mm, use kitchen paper to absorb excess water, and bake at 1 degrees for 9 minutes, and turn over for 4 minutes.

4. Dry pineapple: Wash the pineapple and cut it into pieces of about 8mm. Pour warm water into the clean basin, add appropriate amount of salt, soak the pineapple for 2min, then take it out and drain it. Put the fan flat and set the temperature at 7 degrees for 6h.