The utility model relates to a maternity dress of adjustable waistline and skirt pendulum degree of enclosing, including the dress body, the dress body includes the clothing body and the skirt of connecting tip under the clothing body is put, the clothing body including seing up preceding clothing body and back clothing body together, the one end that the clothing body is close to the skirt pendulum is equipped with waistline adjustment mechanism, the skirt pendulum is including preceding skirt pendulum and back skirt pendulum, preceding skirt pendulum links together through first suture and second suture with back skirt pendulum, first suture and second suture set up the left and right sides at the dress body separately, still adjust the zipper strip and correspond the second regulation zipper strip that the second suture set up including corresponding the first of first suture setting, adopt the technical scheme of the utility model afterwards, the size of maternity dress waist is adjusted through waistline adjustment mechanism to adapt to abdominal grow, guarantee the travelling comfort of dress, simultaneously the utility model discloses a degree of enclosing of skirt pendulum is transferred to first regulation zipper strip and second regulation zipper strip, guarantees holistic harmony of whole maternity dress and aesthetic property.