The invention is a portable air permeable pet box, which comprises a body, a cover body and a strap, wherein the body and the cover body can be in the shape of a hard shell, and the cover body can be assembled in the body open and close.The body and the cover body are respectively provided with through holes and perforations for communicating the interior of the cover body and the body.The strap is used to connect the body.In addition, the cover body can be made of a material having a plurality of meshes, and the cover body takes each mesh as a vent hole.The strap provides the user with the convenience of carrying pets, and the cover body is closed to the body. The holes and perforations (air holes) can make the air flow to provide a comfortable space for pets.本創作係攜帶式透氣寵物箱,係包含一本體、一蓋體及一背帶,其中該本體與該蓋體可以為硬殼狀,且該蓋體可開合地組配在該本體。該本體與該蓋體分別具有貫穿的該孔洞及該穿孔,用以相通該蓋體與該本體的內部。該背帶用以連接該本體。另外該蓋體可由具有複數網孔的材料製成,且該蓋體以各該網孔作為透氣孔。藉此一竉物可置於該本體的內部,該背帶提供使用者方便攜帶寵物的效用,且該蓋體蓋合於該本體,各該孔洞及該穿孔(透氣孔),可使空氣產生流通狀態以提供寵物舒適的空間。