1. Drug ripening: dilute the drug ethylene with water, and then spray it directly on the surface of green papaya. After spraying, cover the green papaya with plastic film. The green papaya will change color and mature on the second day.

2. Apple ripening: You can cut the apple into 4 pieces, then put it together with the papaya in a fresh-keeping bag and seal it. The papaya will mature in about 2 days.

3. Toothpick ripening: Poke some small holes at both ends of the papaya with toothpicks, and then put the papaya into a fresh-keeping bag. The papaya with the holes will be ripe in about 2-3 days. Ripe.

4. Rice bran ripening: Put the papaya into a jar of rice bran, cover the surface with a layer of film, and keep the rice bran at about 30 degrees. It will take about 2-3 days. It’s time to eat ripe papaya.