This article is devoted to the interpretation of the Doctrine of Pratityasamutpada in the Buddhist philosophy. In the article the original interpretation of this Doctrine in its intercommunication with the Buddhist ideas about the individual life of a living being which is represented as the stream of ?dharmas? is given. Dharmas are the ontological elements of Being. Opinions of ancient Buddhist philosophers and O. O. Rosenberg, A. M. Pyatigorsky and the others are analyzed there.