A kind of butt crack absorbing sweat universe constipation structure, main system include the sticking part and clamping portion that are made of waterproof layer and water absorption layer, between what sticking part and clamping portion, equipped with the aperture to be extended internally by side, make sticking part and clamping portion in dotted connection. Wherein, which is equipped with plural number and pastes part, which is equipped be alternatively arranged a plurality of and cuts open hole, this etc. is made to cut open hole from center line to two sides extension. In order to what using when clamping portion given into doubling, by plural number to cut open hole slightly curved by its, and the composition positioning of what user underpants is attached by the part of pasting of sticking part, make the sandwiched what butt crack of clamping portion to reach absorbing sweat effect, so that butt crack is maintained the universe dry and more comfortable.一種股溝吸汗乾燥結構，主要係包含由防水層及吸水層所構成之貼合部及夾置部，於貼合部與夾置部間，設有由側邊向內延伸之開孔，使貼合部與夾置部呈點狀之連接。其中，該貼合部係設有複數之黏貼件，該夾置部係設有間隔排列之複數個剖孔，使該等剖孔由中心線向兩側延伸。俾於使用時將夾置部予以對折，藉由複數之剖孔將其略為彎曲，並藉由貼合部之黏貼件貼附於使用者內褲構成定位，使夾置部夾置於股溝以達到吸汗效果，使股溝得以保持乾燥而更為舒適。
