To provide a small lightweight band brake for a wheelchair equipped with a reverse rotation preventing apparatus and a parking brake apparatus which can obtain unaltered braking even in what kind of situation such as flatland, an upward slope, a downward slope, and the time of rain weather.

To the band brake for the wheelchair which is formed in the shape aligned coaxially with an axle 1 in the one end of a hub 2 axle 1 and is braked by rolling and fastening rotation of a rotary brake drum 3 with a brake band 83, an annulus 4, in which a tooth section 40 is formed in the circumference edge in the center section of the substrate section 32 of the brake drum 3, is fixed and a pair of the 1st nails 6 and 6 of preventing reverse rotation R of the brake drum 3 always energized in the center direction of the axle 1 by a resilient member 73 and a pair of the 2nd nails 60 and 60 of preventing normal rotation P and reverse rotation R of the brake drum 3 are arranged in a bracket 5 in a way capable of touch and detachment of the annulus 4 by rotation of a rotary plate 53.