Instantaneous-suction slotted sanitary napkin capable of improving strength of core body

The utility model provides an instant absorption slotting sanitary napkin capable of improving core strength, which comprises a sanitary napkin body and wings arranged on two sides of the sanitary napkin body, the sanitary napkin body comprises a surface layer, an absorption core layer and a bottom film layer which are sequentially arranged from top to bottom, and a first groove and a second groove are arranged on the central axis of the absorption core layer. The central axis of the first groove and the central axis of the second groove are parallel to the central axis of the absorption core layer, one end of the first groove is connected with an upper flow guide groove, and a surrounding flow blocking concave channel is formed in the periphery of the sanitary napkin body and plays a role in further blocking liquid. On the basis of an existing sanitary napkin, through product structure optimization, the first groove is connected with the upper flow guide groove, the internal connection strength of the absorp