Sanskrit tunava or v and n ā. It is also translated into Biba, Pipa and Shiva. Nickname, Guo belly, three to five. One of the stringed instruments. The total length is about 48 cm, and the body is loquat-shaped, with four or five strings for plucking. Originated from India and the Western Regions, it became very popular after being introduced into China, and became one of the national musical instruments. According to the records of Liu Nian-chanting, the pharmacist of the king of seven buddha, the esoteric religion holds the pipa as the object of the country and the sky. In the fetal Tibetan world, mandala is eloquent outside the King Kong Department. In the picture, twenty-five bodhisattvas come to greet the light, and the Ming King Bodhisattva also performs. Later, it was introduced to Japan and became the main instrument in elegant music. 【 Hokkekyo's convenience, Buddha's Tibetan Sutra, Volume II, Volume XIV, Shurangama Sutra on Buddha's Top, Volume XIII, Volume XIX of Ten Recitation Method, Volume XV of Luo Yang Galand, Volume II of Xilin's Sound and Meaning, Volume 137 of the General Examination of Literature 】 P5 149.