This creation discloses a kind of bicycle Wheelchair structure, and it includes be made of wheelchair body and bicycle body. The wheelchair body system is the carrier that one kind can carry handicapped person, and bottom connection is equipped with a protruding shaft; The bicycle body includes a vehicle frame, a seat cushion is equipped on the vehicle frame, lower section is then equipped with crank pedal, use the wheeling thereof with one pivot joint what vehicle frame Hou fork of active toothed disk driving, the front end of vehicle frame extends a connecting rod, connecting rod front end is equipped with an axle sleeve again, which can just be nested in the protruding shaft of what wheelchair body, and as a movable pivoting point. Thereby, when rider's foot step on crank pedal drive wheeling thereof when, through bicycle body onward impulse and push wheelchair body to advance simultaneously.本創作揭露一種自行車輪椅結構,其包含由輪椅本體及自行車體所構成。該輪椅本體係為一種可搭載行動不便者之載具,其底部連結設有一凸軸;該自行車體包含有一車架,該車架上穿設有一座墊,下方則設有曲柄踏板,藉以帶動齒盤驅動一樞接於車架後叉的輪體轉動,車架的前端延伸一連桿,連桿前端又設有一軸套,該軸套恰可套置於輪椅本體之凸軸上,並以此為一活動的樞接點。藉此,當騎乘者腳踩曲柄踏板帶動輪體轉動時,透過自行車體的前進動力而同時推動輪椅本體前進。