A vest-type maternity belt according to the present invention includes: a vest maternity belt body (110) provided in the shape of a vest; size adjusting Velcro members (120) configured such that female Velcro members (121) and a male Velcro member (122) are fixedly disposed on both sides of the front part of the maternity belt body (110) and a fastening function is provided; hook fastener members (130) configured such that hooks (131) and loops (132) are fixedly and oppositely disposed on both sides of the lower end portion of the front part of the maternity belt body (110) and the abdominal load of the pregnant woman can be borne; and spine correction elastic bands (140) formed as elastic members contained in the back part of the maternity belt body (110), and configured to support and correct the spine of the pregnant woman.