An air cushion bed comprises a base cushion, a plurality of supporting air cushion, a plurality of air cushion for turning an object, and an air pump assembly. A top surface of the base cushion respectively has a head region, a neck region, a back region, a leg region, a knee region, and a foot region along a lengthwise direction. The plurality of supporting air cushion are respectively assembled with the base cushion in the head region and the foot region. The plurality of air cushion for turning an object are respectively assembled with the base cushion in the neck region, the back region, and the knee region. The air pump assembly is respectively assembled with the plurality of supporting air cushion and air cushion for turning an object to inflate anyone of the plurality of supporting air cushion and air cushion for turning an object.本發明提供一種翻身氣墊床,包括:一底墊,該底墊的上表面沿著一長軸方向分別設有一頭部區間、一頸部區間、一背部區間、一腿部區間、一膝部區間、及一腳部區間;數個支撐氣墊,該些支撐氣墊組接於該頭部區間及腳部區間;數個翻身氣墊,該些翻身氣墊分別組接於該頸部區間、該背部區間、該腿部區間、及該膝部區間;以及一氣泵組件,該氣泵組件分別與該些支撐氣墊及該些翻身氣墊相組接,以便對該些支撐氣墊及該些翻身氣墊進行充氣。100‧‧‧翻身氣墊床102‧‧‧底墊102A‧‧‧上表面104‧‧‧支撐氣墊106‧‧‧翻身氣墊Y‧‧‧長軸A‧‧‧頭部區間B‧‧‧頸部區間B1‧‧‧頸部右半部區間B2‧‧‧頸部左半部區間C‧‧‧背部區間C1‧‧‧背部右半部區間C2‧‧‧背部左半部區間D‧‧‧腿部區間D1‧‧‧腿部右半部區間D2‧‧‧腿部左半部區間E‧‧‧膝部區間E1‧‧‧膝部右半部區間E2‧‧‧膝部左半部區間F‧‧‧腳部區間
