The invention relates to an absorbent core for a baby diaper and finds application as a disposable
hygiene product for babies and
small children. According to the proposed solution, the baby diaper absorbent core consists of a mixture of
cellulose and superabsorbent, wrapped in a non-
woven fabric material and has an elongated three-dimensional working surface with a widened front part and parallel channels, formed on at least 2 / 3 of the length of the core, with the parallel channels oppositely curved towards the outer part of the core at the one end, whereby the
front and back ends of the core are chamfered. The thickness A is maximal in the middle part of core Zone 2, comprising ½ of its length, and at both ends, Zone 1, comprising 1 / 7 of its front end and Zone 2, comprising 3 / 7 of its back end, the thickness is minimal.