Prehistoric times in Bali is the beginning of the history of the people of Bali, which is characterized by community life in those days who are not familiar with writing. Although in prehistoric times has been known to write the history of the writing life, but a variety of evidence about life in the society at that time can also be said again it appears Ages lasted in the prehistoric period of time long enough, then the evidence has been found until now is certainly not can meet all our expectations. Thanks to the diligent and skilled study of foreign experts, especially the Dutch and the sons of Indonesia, the development of prehistoric times in Bali increasingly bright. Attention to relics in Bali is first given by a naturalist named Georg Eberhard Rumpf, in the year 1705 as published in his book Amboinsche Reteitkamer. As a pioneer in archaeological research in Bali is WOJ Nieuwenkamp who visited Bali in 1906 as a painter. He made a trip to explore Bali. And give some remarks, among others, about nekara Pejeng, Trunyan village, Bukit temple writting. Attention to this Pejeng nekara followed by KC Crucq in 1932 who managed to find a three-part mold in the Desa temple nekara Pejeng Manuaba Tegallalang village. Prehistoric Research in Bali followed by Dr. H.A.R. van Heekeren with the article titled Sarcopagus on Bali in 1954. In 1963 the son of Indonesian prehistory experts Drs. R.P. Soejono doing excavation was conducted in a sustainable manner ie 1973, 1974, 1984, 1985. Based on the results of research that has been done on finding objects that come from the Gulf beach Gilimanuk alleged that the site location is a fishing village from farming irigation system time in Bali. In this place now stands a museum. Based on the evidence that had been found until now in Bali, people's lives or the people of Bali in prehistoric times in Bali can be divided into: 1. The period of hunting and gathering food simple level, 2. The period of hunting and gathering food advanced, 3. Period of cultivation, 4. Period farming irigation system.
