The Bronze Galloping Horse and the Bronze Chariot and Horse Guard of Honor of the Eastern Han Dynasty, unearthed in Wuwei, Gansu Province, are rare masterpieces of ancient bronze artworks in China. They are representatives of cultural relics in China and symbols of ancient Chinese civilization. Recently, Gansu Provincial Museum found, using modern scientific testing instruments and comprehensive analyses, that the Bronze Galloping Horse and the Bronze Chariot and Horse Guard of Honor were not cast with wax-lost method, but, rather, the pottery model casting method. The Bronze Galloping Horse has legs which were inlaid with iron tenon core bones for a stronger support. Among the Bronze Chariot and Horse Guard of Honor, bronze horses of type A and those of type B (with inscriptions) are two batches produced with different casting processes. These findings provide new materials for further research on the Bronze Galloping Horse and the tomb owner.