Kanishka was an important Kushana ruler. He was deeply influenced by Buddhism. His contribution towards Buddhism can be understood with the following points:
He patronised Buddhist monks. He donated money to build Buddhist monasteries.
His court comprised learned Buddhist scholars like Parsva, Nagaijuna and Ashvaghosha.
He convened the Fourth Buddhist Council in Kashmir where scholars met and discussed several issues regarding the course of Buddhism in India.
He patronised the Gandhara school of Buddhist art.