The utility model discloses a walk line in formula of lying bicycle is adjustable standing, including a founding the pillar, a has a b founding the pillar through a regulation corner joint on founding the pillar, B establishes the downthehole fastening bolt who screws up of fastening and fixes an upright extension rod founding the pillar through b standing on the pillar, it adjusts founding the pillar to be connected with one to the other end that founds the extension rod, be in founding the extension rod the interior slip of regulation through-hole is established founding a pillar to the regulation, being equipped with the line hole in the upright extension rod, B stand the pillar with adjust stand be equipped with respectively on the pillar with corresponding entrance hole and the wire hole in line hole, the wire hole with the brake is linked together the groove. The utility model discloses simple structure can adjust the extension length upright to can place the inconvenience that the further confusion of having avoided the pencil to tie up was brought in the line hole with the pencil.