The Lisu language is a Sino-Tibetan language primarily spoken by the Lisu people, who reside in regions of China, Myanmar, and Thailand. It is known for its unique tonal system and uses the Latin script for writing, which was developed in the 1950s. The language has several dialects, reflecting the diverse communities of Lisu speakers. Lisu is an important part of the cultural identity of the Lisu people. It is used in daily communication, traditional storytelling, and local customs. Efforts are being made to preserve and promote the language, especially among younger generations, to ensure its survival in a rapidly changing world.