Korean Buddhism is distinguished from other forms of Buddhism by its attempt to resolve what its early practitioners saw as inconsistencies within the Mahayana Buddhist traditions that they received from foreign countries. To address this, they developed a new holistic approach to Buddhism that became a distinct form, an approach characteristic of virtually all major Korean thinkers. The resulting variation is called Tongbulgyo, a form that sought to harmonize previously arising disputes among scholars.

Mahāyāna is a term for a broad group of Buddhist traditions, texts, philosophies, and practices developed in ancient India. It is considered one of the three main existing branches of Buddhism, the others being Theravāda and Vajrayāna. Mahāyāna accepts the main scriptures and teachings of early Buddhism but also recognizes various doctrines and texts that are not accepted by Theravada Buddhism as original. These include the Mahāyāna sūtras and their emphasis on the bodhisattva path and Prajñāpāramitā. Vajrayāna or Mantra traditions are a subset of Mahāyāna which makes use of numerous tantric methods Vajrayānists consider to help achieve Buddhahood.