Women during menstruation, sensitive parts of the skin is most vulnerable to damage, some women will feel local skin itching, burning pain during menstruation, so choose the right sanitary napkin is crucial. According to the structure of sanitary napkins, the selection should be considered from the surface layer, the absorption layer and the bottom three parts of the material and function: First, the surface layer with dry mesh funnel is appropriate, the surface dry can make the local skin from the bitter moisture, the funnel design is better than the barrel design, the infiltrated liquid is not easy to return, but if the mesh is uncomfortable, the softer cotton soft sanitary napkin may be more suitable for use; Second, the absorption layer is breathable and contains an efficient gelatinizing layer. The sanitary napkin containing an efficient gelatinizing layer can condense the infiltrated liquid into a gel shape, and does not permeate back after pressure, and the surface does not feel slimy; Third, the bottom is made of breathable materials, which can make the gas-like water molecules pass smoothly, so as to achieve the role of timely elimination of moisture, effectively reduce the humidity and sultry between the sanitary napkin and the body, and maintain the feeling of dry and fresh.