After being discovered during the Napoleons campaign in Egypt,the Dendra zodiac has drew much attention of the Egyptologists for over two centuries.A large number of researches and discussions over it have been made in astronomical and mathematical ways,but its religious meanings have long been ignored.By deciphering the texts and image on the walls of the Osirisian chapel whose ceiling hold the Dendera Zodiac,the functions and meanings of the Zodiac could be discussed and lead to the conclusion that the Dendera Zodiac conveys the space and time of the resurrection of the Osiris and the dead, reflecting several overlapping aspects of the resurrections in ancient Egypt.