People?s happiness depends upon their awaking. Contradiction, harmony, war, and suffering have cause from misunderstanding the world, which you are living. In the Buddha?s teachings, he taught us the way of look at the world that is the doctrine of sunyata (emptiness). With the aim of helping people understand correctly the world as well as the Buddha?s teaching in sunyata. Writer depended on the Buddha?s teachings that recorded in Pali Nikayas to search the origin for this doctrine. Afterwards, reading treatises (Abhidharma) of Buddha?s disciples to find out in what way they understand and practice sunyata. Besides, the system of Prajnaparamita Sutras is place an importance role in this doctrine so these sutras are considered to. Last but not least, the period of the Madhyamaka School is the pinnacle period of sunyata philosophy. This book attempts to show development continuously of the notion of sunyata in India from Early Buddhism until Nagarjuna.