To provide a mat for bedsores prevention, which improves an effect for preventing decubiti or symptoms called bedsores which a bed-ridden patient suffers from.

In a mat M for bedsores prevention, a received pressure mitigating part 2 composed of silicone gell materials is formed in the middle of the received pressure cross-sectional direction of foaming mat materials 1. Thus, so-called 'nerve/stiffness' is applied to this mat as a whole by the received pressure mitigating part 2 in comparison with the single body of foaming mat materials 1, a suitable posture in lying on the back can be maintained and the excessive concentration of pressure to cause the bedsores can be eliminated.