Why should bamboo leaf gypsum soup be fried with gypsum first and then with mint?

Bamboo leaf gypsum soup first decocted gypsum from traditional Chinese medicine. According to relevant information, gypsum needs to be boiled first. The first establishment of this understanding originated from the established rule that minerals should be fried for half an hour when studying Chinese medicine. In addition, in the chapter of clearing heat and purging gunpowder, it is mentioned that gypsum should be fried first. Of course, the plaster should be fried first. Stir-fry until 10 minute, then add bamboo leaves and stir-fry for 10 minute. As long as the amount of water can cover one-third of the ingredients before frying, watch the amount of water at any time when frying, and adjust the heat to fry slowly.