It has been emphasized that the human realm is the perfect place to learn and practice Dharma, because there is too much pleasure in heaven and too much torture in woeful plane to practice Dharma hard,that is to say,only born to be human beings ,can we hear Dharma and practice it to get liberation. However,in Agama, we can often see that Buddha taught people the way to be reborn in heaven next life. Though being a god is not free from saMsAra yet,Buddha still stressed the preaching of rebirth in heaven.There are five chapters in this treatise. The first chapter includes the motive,range,researching way,structure of this study,and the harvests of the modern scholars’ research. The second chapter traces the thought of rebirth in heaven back to it’s origin from Veda and UpAniSad,and states other schools of the non-Buddhists’ point of view on rebirth in heaven. The third chapter expounds that Buddha criticized the prior thoughts of rebirth in heaven in Ancient India, describes the gods in early Buddhism,illuminates the objects whom Buddha preached rebirth in heaven,and clarifies the way to be reborn in heaven. The forth chapter explores the connection between the rebirth in heaven and liberation,nibbAna. The last chapter draws a conclusion and briefly depicts the directions of the further study in the further.