The invention relates to a wheelchair seat cushion fixing structure, which uses two assembly parts to install a seat cushion on a frame. The frame has two rods, each of which forms a groove on the surface. The cushion has two pockets, each of which is communicated at the front and back and arranged at one side of the cushion. Each assembly is bendable and enters the corresponding pocket of the seat cushion. When the assembly part and the pocket are put into the groove of the seat rod, the assembly part has a blocking effect on the seat cushion, achieving the functions of stable and safe seat cushion.一種輪椅座墊固定結構，利用二組裝件將一座墊安裝在一車架上。所述的車架有二座桿，每一座桿外表形成一溝。該座墊有二口袋，每個口袋前、後相通且設在座墊一側。每個組裝件是可彎曲的，其進入座墊相應的口袋。當組裝件連同口袋一起置入座桿的溝，該組裝件對座墊產生阻擋作用，達到座墊穩固、安全等功效。
