“庙社既建鼎吕定，次及梵宇成华钟。”这是清乾隆年间大学士沈德潜（觉生寺大钟歌）中的一句诗。觉生寺即今天的大钟寺，永乐大钟就是这样一件代表着中华民族传统的极为珍贵的国宝。永乐大钟铸于何时？从大量文献中可以得知，永乐大钟“铸自文皇”，“铸自成祖”，永乐大钟是 “The temple community built both Dingding Lu, and Vatican Chenghua Zhongzhong.” This is the Qing Emperor Qianlong’s Shen Deqian (Jusheng Temple bell) in a poem. Jue Sheng Temple is today’s Bell Temple, Yongle Bell is such a representative of the Chinese nation’s very precious national treasures. Yongle clock cast when? As can be seen from a large number of literatures, the Yongle bells, “casting self-Wen Huang,” “casting since the ancestor,” Yongle bell is