This article is a research of obtaining dhammacakkhu（法眼）by listening to the right doctrine in the Realm of 4 Āgamas and 4 Nikāyas. There are several ways to enter the Stream （入流） in early Buddhist canons. Some scholar and yogis doubt about entering the Stream by listening to the right doctrine. By searching 4 Āgamas and 4 Nikāyas, this article found the proves that by listening to the right doctrine, one should also consider the doctrine with wise attention or right reflection(yoniso manasikāra) to destroy three bonds（trīNi saMyojanāni,三結）and obtaining the Dhammacakkhu, that means one has become a Stream-enterer.
