To provide a dual core high absorbent core body for absorbing lower body fluids, the width of which changes adaptively according to users usage after liquid absorption.SOLUTION: The dual core high absorbent core body includes an upper absorbent layer and a lower liquid reservoir layer, and the lateral width of the absorbent layer is larger than the lateral width of the liquid reservoir layer with the front-back direction in use as the front-, A linear through hole or a recessed portion in the front and rear direction is provided at each of the left and right sides of the front and rear axial line of the absorbing layer, and the front and rear ends of the linear through hole or the linear recessed portion are located inside the front and rear edges of the absorbing layer.BACKGROUND OF THE INVENTION【課題】液体吸収後、幅がユーザの使用状況に応じて適応変化する、下半身体液吸収用双芯体高吸収芯体を提供する。【解決手段】双芯体高吸収芯体は、上層の吸収層と下層の貯液層を含み、使用時の前後方向を前後方向として、吸収層の左右幅は貯液層の左右幅よりも大きく、吸収層の前後軸線の左右両側の位置にそれぞれ、前後方向の線状通孔または凹部を備え、線状通孔または線状凹部の前後端は吸収層の前後辺縁の内側に位置する。【選択図】図1
