PROBLEM TO BE SOLVED: To provide pants and underwear for correcting a bowleg and bandy-leg, or a legless chair correction method for collecting legs and a set of apparatuses therefor.SOLUTION: The invention is configured such that: the surrounding parts of a crotch part are pushed up by two fingers inside parts of legs which have become straight are received at underwear parts 2, 3 on corresponding parts the respective underwear parts have a joint function to be jointed the underwear parts are slightly suspended and made float by a main body of pants 1 the underwear parts are brought into tight contact with and fixed to inside thighs. A legless chair correction method is configured such that a user seats on the legless chair with both ankles directed outside and insides of both ankles, thumb root parts of both feet, and both knees in contact with the floor, uses cushions at the respective parts for assisting them, and strains both inside thighs and brings both inside thighs into tight contact.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】O脚、ガニ股を矯正するスラックスとインナー類あるいは座椅子矯正法とその器具を提供する。【解決手段】股間部周辺を2本指で押しあげて、まっすぐになった脚の内側を、相対する部分のインナー類2,3で受け、それぞれに接合機能をもたせ、接合させスラックス1本体より、その部分を少し吊り浮かした状態にしながら、内股に密着固定させる。また、座椅矯正法は、着座し両足首は外側に向け、両くるぶしの内側、両足親指付け根部、と両膝で着床し、それぞれの部分をクッションで補い、両内股に力を入れて、強くピタリと密着させながら座る。【選択図】図1