The invention discloses a front wheel orienting lock of a bicycle, an electrombile or a motorcycle and an installation structure of the front wheel orienting lock. The front wheel orienting lock comprises a lock body, a lock core, a lock pin and a front fork follower, wherein the lock core is arranged in the lock body, the lock core controls the lock pin to move, the front fork follower comprises a shaft rod, a front fork matching part and a check block, and an automatic position searching mechanism is arranged between the lock pin and the check block. The front wheel orienting lock is characterized by having two working states of a to-be-locked state and a completely-locked state during a locking process; when the front wheel orienting lock is in the to-be-locked state, the lock pin leans against the front surface of the check block and is in an automatic position searching state, and the front fork follower can rotate along with a front fork; when the front wheel orienting lock is in the completely-locked state, the lock pin leans against the side surface of the check block, the front fork follower is limited from rotating, and the front fork is limited from swinging by the front fork matching part of the front fork follower. According to the front wheel orienting lock disclosed by the invention, the locking can be realized by swinging a front wheel after the lock core is pressed down during locking the lock, the locking process is in an automatic position searching locking mode, position alignment does not need to be carried out by utilizing naked eyes of a user for locking, the design is extremely humanized, and the use and the operation are simple and convenient.