“泥人张”的制作秘方是不为世人所知的绝招。张家捏的泥人历经久远,不燥不裂,其主要原因是其使用的泥土是经过特殊加工的。“泥人张”制作泥人所用的土是天津西郊古河道地下1m处的一层红色黏土(俗称胶泥),这里的黏土黏性极强,含沙量特别小。张家老宅的院内设有一高一矮相连的两个池子,将这种黏土放入高池内, “Clay Man Zhang ” secret recipe is not known for the world of trick. Zhang mud kneading people have been long, not dry or cracked, the main reason is that the soil used is specially processed. “Clay man Zhang ” The soil used to make mud people is a layer of red clay (commonly known as clay) 1m underground at the ancient river course in the western suburbs of Tianjin, where the clay is very sticky and its sediment content is extremely small. Zhang’s old house with a high hospital connected to a pool of two short, the clay into the high pool,