Medical air mattress, comprising: a lower bedspread (10); two inclined air cells (20) longitudinally mounted on the lower bedspread (10), respectively near two sides of the lower bedspread (10) and parallel to each other; a mattress body (30) mounted on the lower bed cover (10), mounted transversely to the inclined air cells (20) and comprising multiple body air cells (31) and multiple air cells (32) of head parallel to each other and arranged in a row to form a row of air cells, in which the head air cells (32) are arranged at a head end in the row of air cells; an upper bedspread (50) covering the mattress body (30), firmly connected to the lower bedspread (10); characterized in that the upper bedspread has rail sleeves (52) sewn on two sides of the upper bedspread (50), and the rail sleeves (52) are formed adjacent to the edges of two two sides of the upper bedspread (50), each having railing sleeve at least one sleeve body (521); by a handrail unit (60) mounted on the handrail sleeves (52) and comprising multiple handrail air cells (61) mounted respectively on the sleeve bodies of the handrail sleeve, and by a pumping assembly (70) for controlling inflation and deflation connected to, and selectively inflating, inclined air cells (20), body air cells (31), head air cells (32) and air cells (61) railing, comprising the pumping assembly (70): a pump (71); an inclined duct (72) connecting the pump (71) with the inclined air cells (20); an odd body duct (73) connecting the pump (71) with the body air cells (31) and the head air cells (32) in odd rows of the air cell rows; an even body duct (74) connecting the pump (71) with the body air cells (31) and the head air cells (32) in even rows of the air cell rows; a railing duct (77) connecting the pump (71) with the railing air cells (61); and a quick-release valve (78) connected to the odd body conduit (73) and the even body conduit (74).Colchón de aire médico, que comprende: un cubrecamas (10) inferior; dos celdas (20