白扁豆为豆科植物扁豆的干燥成熟种子。具有健脾化湿的功效。临床上多用清炒法炒至微黄色具焦斑，但是历来的清炒方法火候不易掌握，且容易出现外焦里生的现象，达不到炮制要求。笔者在工作实践中改用砂炒法炮制白扁豆。具体方法是，将筛选陶洗干净的河砂置锅中，先用武火1998? White lentils are dry mature seeds of leguminous lentils. With spleen and dampness effect. In the clinic, fry speculation is mostly used to fry yellowish spots, but traditional frying methods are not easy to grasp, and they are prone to external caesareanism and do not meet processing requirements. In the work practice, the author switched to using white sand to cook white beans. The specific method is to filter the potted river sand into a pot and use it first.