封泥,亦名泥封,是印章按于泥上作为门户和包裹封口的凭记。魏、晋之前,纸张虽然已经发明,但在社会上还没有广泛使用,文字多书写在长条而薄薄的竹(木)简上,世称简牍。在成捆包扎好的简牍外表“缄之以绳,封之以泥,抑 Mud, also known as mud seal, is a seal of the seal on the mud as a portal and the package with a note. Before the Wei and Jin Dynasties, although the paper was invented, it has not yet been widely used in the society. The writing is often written in long and thin bamboo (wood) strips, and is called Jane’s. In a bundle of simple Jane 包 appearance ”缄 of the rope, sealed with mud, suppression