A garment with a crotch part according to the present invention is a garment with a crotch pat formed at least by a front body (2) which covers an abdominal, a back body (3) which covers a buttock, and a crotch section (5), wherein an opening (9) is formed at the crotch section (5), and the opening (9) is blocked by joining a godet cloth (12) through heat welding or adhesive. According to such a configuration, the garment with the crotch part according to the present invention is comfortable to wear with the wearing pressure when worn controlled, is able to shape a beautiful lower body, is relatively easy to produce and suited for mass production, and is also inexpensively supplied.