1, exposure method: expose raw chestnuts to the sun for a few days and let the water evaporate, so that the water in the chestnut shell will crack automatically after drying. If it doesn't crack, cut a small mouth with scissors and pull the shell open to remove the intima.

2. Freezing method: Freezing method uses the principle of thermal expansion and cold contraction. Boil chestnuts in boiling water for four or five minutes, then soak them in ice water for five minutes. At this time, cut a small mouth with scissors, pull open the shell and remove the intima.

3, microwave method: cut a small mouth of raw chestnut with scissors, put it in a microwave oven and bake at high temperature for one minute. Remember to wear insulating gloves after taking out, and gently pinch the chestnut shell, and the shell will fall off.