Cao Thái Sơn was born in 1985 in Hà Nội. Previously, he studied at the College of art and culture and business management school in Hà Nội. Sing with passion, he began to sing at the tea room in Hà Nội at 17 but did not create the attention of audiences, until when he participated in the 'Sao Mai Điểm Hẹn' contest. With impressive style, Son has quickly captured the emotions of the audience, become a promising young singer with second place in first qualifying times.