The way to open pineapple nectar is as follows:1. Place the pineapple nectar horizontally, with a newspaper underneath, and remember to wear gloves when cutting, so as not to stick the nectar and ooze out the sticky liquid, and cut it from the opposite side.2. Core the fruit, and remove the white part in the center.3. Remove the mustache, and take out the fruit.4. Peel off the yellow flesh, and then peel off the stone inside, and eat the yellow pulp. Preservation method Wrap the peeled pineapple nectar in plastic wrap, then place it in a cardboard box or bamboo basket lined with banana or bamboo leaves, or shredded paper, then store it in a cool, ventilated place at a temperature of about 11-13 degrees. This pineapple nectar will keep for about 5-7 days at 85-95% humidity. Of course, it is best to eat it within 5 days. If the temperature is too high, it will easily ferment after 5 days. Wrap the peeled pineapple in plastic wrap and put it in the refrigerator. This kind of pineapple can be kept for about five days.