There are many ways of signifying Lu Ban in the documents of Pre-Qin and Han Dynasties, and his birth year, inventions and other personal information are still hard to define. Therefore, the essay focuses on the accounts of Lu Ban in Mo Zi and aims to make a further study of him by referring to Mo Zi Jian Gu and other previous researches. According to this study, "般" was Lu Ban's authentic name and the " 班" appellation emerged at the end of the Western Han Dynasty; "Gongshu" signified his profession, and later it was replaced by "Lu," the name of his native country; Lu Ban was approximately born in the late period of Lu Dinggong, and more concretely, about 498 B.C.; "Gouqiang"and "Gouju" may not be the same weapon and furthermore Lu Ban improved "Yunti," which was used for the siege in the Warring States Period, and invented "Muque", a wooden device that could fly.