1, room temperature preservation. If it is not cut watermelon can be saved at room temperature, if the summer room air conditioning, the room temperature of 20 degrees to 25 degrees or so, the general watermelon can be placed in this environment for a month or so, but the premise is not to put the watermelon in the sun, try to choose a cool and ventilated place. If there is no air conditioning indoors in the summer, when the temperature is relatively high, the general watermelon can only be put for a week, up to a maximum of two weeks of time, too long, the watermelon inside will be too ripe, and then gradually decay.

2, refrigerator preservation. Buy back the complete watermelon, if not cut can also be put into the refrigerator to save, generally can be set in the refrigerator freezing temperature of 4 degrees to 7 degrees or so, but save the time in a week or so, because there are other vegetables and fruits in the refrigerator, give up the time is too long, it is very easy to other vegetables and fruits on the bacterial breeding, so it is recommended to eat as soon as possible.