To provide a sanitary napkin preventing leakage to an underwear due to an extension to the buttock portion when discharging and uncomfortable feeling and having easiness in carrying the same.

A body liquid absorber such as the sanitary napkin is a planar body constituted by applying an adhesive for securing on the back face of the body of the same that is an underwear side and affixing a removing material on the adhesive. An optionally shaped hole is bored in the center portion of the affixed removing material and filled with a removing material of the same shape and affixed, the buried and affixed removing material is removed when using, the exposed adhesive face is fold into two to adhere and returned to an original shape, when the back face turns planar to get the front face projected to show a shape enough to stick fast to a body. Further an absorbing portion is exposed also in the exposed adhesive face of the body liquid absorber and can be piled at the same time, so that body liquid can be more uniformly absorbed.