瓦当是古代建筑檐头筒瓦前端的遮挡。~①《中国文物考古辞典》~②上有相似的定义:“建筑物檐头筒瓦前端的遮挡,流行于中国、日本和朝鲜。最初为半圆形,后演变为圆形。多带花纹,有的带有文字。最晚至西周时期已经出现,在陕西扶风召陈建筑遗址中曾经有出土。……瓦当是考古研究的重要断代物,又是了解古代手工业、建筑、雕塑、书法的重要材料。”瓦当主要起着庇护屋檐,防风雨侵蚀延长 Watanabe is the cover of the front of the roof tile of ancient architecture. ~ ① There is a similar definition on the Chinese archeological dictionaries ~ ②: “The occlusion at the front end of the building eaves tile is popular in China, Japan and North Korea, initially semicircular and later evolved into a circle. , Some with texts, and most of them appeared in the Western Zhou Dynasty and were unearthed in the Fuqianzha building site in Shaanxi Province .... Vatan is an important source of archeology and an important source of knowledge of ancient handicrafts, architecture, sculpture and calligraphy Important material. ”Watanabe mainly plays shelter eaves, weather-proof erosion extended