The invention discloses ultra-soft functional denim capable of absorbing moisture and releasing sweat. The ultra-soft functional denim comprises warp, weft and cloth, wherein the warp and the weft are interwoven into the cloth in a three-up and one-down right twill weave manner; the warp adopts viscose and cotton blending, and the weft adopts sorona; four pieces of yarn are arranged on each strand of the cloth; and one piece of warp circulates for one time, and every three pieces of weft yarn circulate for one time. According to the ultra-soft denim with the moisture absorption and sweat releasing functionality, the warp and the weft are interwoven into the cloth in the three-up and one-down right twill weave manner, so that the structure is compact, strong, wear-proof and excellent in quality; the warp adopts viscose and cotton blending, so that the denim touches soft; and the weft adopts sorona, so that the denim has excellent moisture absorption and sweat releasing functions and is cool and breathable to wear in summer.