怀地黄是河南省著名的“四大怀药”之一，鲜地黄加工成生地，传统方法是用地黄焙烘干。旧式地黄焙费工费时，浪费燃料，由于火候不易掌握，焙成的地黄成色不一，质量不高，焙坏现象时有发生。近年来我们将旧式地黄焙加以改良，改用蜂窝煤作燃料，效果较理想 一、焙制过程 １、 Huai Di Huang is one of Henan’s famous “Four Great Prescriptions”. The processed yellow earth is processed into habitat. The traditional method is to bake with ground yellow. The old type of ground yellow was costly and waste of fuel. As the heat is not easy to grasp, the quality of the ground yellow is not uniform, the quality is not high, and the roasting phenomenon occurs from time to time. In recent years, we have improved old yellow ground bake and replaced it with briquette coal as fuel. The results are satisfactory. 1. The baking process 1.