The invention provides a multichannel fitness bicycle, and belongs to the technical field of fitness equipment. The multichannel fitness bicycle includes a base, an electric rod cylinder assembly, a symmetrical connection rod, a symmetrical rear support, a symmetrical support, a seat assembly, a handlebar assembly, pedals, air springs, a magnetic powder brake and a control module; the electric rodcylinder assembly is movably connected to the base through a movable connection part, the symmetrical rear support is movably connected to the base through a movable connection part, and the air springs are mounted between the base and the two sides of the symmetrical rear support; the magnetic powder brake is arranged inside the symmetrical support, and a first central shaft penetrates the pedals, the symmetrical rear support, the symmetrical support and the magnetic powder brake from interior to exterior; the two ends of the symmetrical connection rod are movably connected to the electric rod cylinder assembly and the symmetrical support respectively; the seat assembly is mounted at the top of the symmetrical support, and the handlebar assembly is connected with the electric rod cylinder assembly; sensors mounted on the handlebar assembly and the pedals are electrically connected with the control module. The multichannel fitness bicycle has the advantages of being capable of achieving the functions of pitching, jolting and the like and integrating a heeling function.