Abstract: The Buddha is endowed with great compassion and wisdom. His advice to mankind is to be free from suffering and causing any inflict on any living being. Every being likes happiness and wellbeing (sukhakmni bhtni). In this world, the goal of Buddhism is peace. In Buddhist society said that Buddhism has been knowns as the most peaceful religion among world religions. There is no any war in history of the world shows that Buddhists have not cause any conflict with the name of Buddhism since of Buddhism had founded by Gotama Buddha who always taught non-violence and compassion to his follower and attended or disciples. Buddha expressed the Paca Sla, five precepts for lay peoples which will prove beneficial for them to live peaceful, harmonious life in society and with an amicable way. The basic one for everybody is the Five Precepts, providing the foundation for societal relationships for good cooperation and not taking advantage of others, in order to maintain peace and happiness for the society. Therefore, five precepts is not only the foundation to peace for the individual but also for public society. The best way of practicing loving-kindness is the basic teaching in Buddhism. The prime source of destroyer of peace is mental action which spring from lobha (greed), Dosa (hatred), and Moha (delusion) which are the unwholesome. Before Buddha passing a way three months his disciple Ananda asked about who will become our teacher after you got parinibbana, the Buddha replied my Dhamma and Vinaya will become your teacher and successors which guide humanity to walk on the path of Nibbana.
Keywords: Buddhist, Peace, Loving-kindness Conflict, Five Precepts, war