What is Yoga? Have we need by Yoga technics? Our body , the soul and the philosophy enter in meditation; we accept and become yogi? When we do Yoga , the think is for Orient where are assumed a series of meditative, religious, philosophic technics having the goal by union, relaxation and control of conscience. Yoga comes of Indian aborigine culture which in times enters in Hinduism with varies elements characteristic of religious( mystic- emotive devotions , ceremonials individual of adoration to divinity , reincarnation, structures of starting meditative , philosophic and body relaxation in harmony with the conscience). For to be yogi is important to know Hinduism and the religious elements of people, in same way  to enter in Indian think philosophy  respecting a series of morals codes. The meditative practices are utilized and in Buddhist, Jainism with a variety of activity( body’s gymnastic, technics of breathing , psychophysical disciples) finalized in meditation and relaxion, followed of a spiritual realization with the foundation a himself philosophy. In UPANISAD (religious, philosophic Indian texts  wrote in Sanskrit language , the IX-VIII century a.C. until in the IV century a.C.) where the men are been  encouraged to following proper thinks dedicating at the spiritual activity presents in cosmogonist myths entered after in philosophy , psychology meditation which in times they know a wide development in the Hindus schools. In Yoga enters Karma Yoga ( action) a connection to renaissance doctrine( karma’s law) where every individual action  can to be cause of our body traumas making varies practices of return in life  after the death to physic body, practical is a fundamental theory in all Hindus, Buddhist, Jainism religious traditions. For us occidentals the Yoga is relaxion, a philosophy of health life, meditation and psychologic connection linked between the mind and the body.