To provide a handcart with a seat and a brake suitable for various kinds of needs, and a self-standing handcart in a foldable condition.

A handcart has a fixed brake to maintain the braked condition unless a user releases the fixed brake after operating the brake in addition to a manual brake. In the manual braking operation, a brake body suppresses a wheel by the movement of a small wire. A spring for restoration to be used in this condition is also used for the fixed brake. A foldable seat is equipped. A small luggage container is provided between the user and a vehicle body. Thus, the structure of a shaft to connect right and left main columns to each other and pipes folded in a square to form side wall surfaces in the longitudinal and lateral directions of a luggage storage part is devised.