Buddhism is one sect of the sramana tradition , on the one hand , they opposed to and fought against the brahmanism together , on the other hand , there were contradictions and struggles among sects of the sramana tradition 佛教与它们共同构成沙门思潮，一方面它们与婆罗门教形成对立并互相斗争，另一方面沙门思潮各个教（学）派之间也存在着矛盾与斗争。
