The name “Simhanada” means the “Lion’s Roar” in Sanskrit. In Buddhism, it symbolizes the fearless proclamation of the teachings of the Buddha. "Simhanada" is a form of "Avalokiteshvara" connected with removing illness caused by nagas. "Simhanada Avalokiteshavara" belongs to the Kriya Tantra classification and arises from the Simahanada Tantra and the text of the Arya Avalokiteshvara Dharani. His primary activity is to remove sickness and disease especially illness caused by nagas.
"Simhanada Avalokiteshvara" is known as Seng Ge Dra Chen Re Zi in Tibet. "Simhanada Avalokiteshvara" is also known as the Lion’s Roar All-Seeing Lord in English.