Provided is an automobile door lock, comprising: a coaxial and laminated locking structure having a lock tongue (1) and a rotating member (3); a separating/joining member (4) arranged on the locking structure and used for fitting with and driving the rotating member (3) to rotate coaxially with, or separate from, the lock tongue (1); a braking member (24) which holds the lock tongue (1) to achieve locking; a first unlocking component used for driving the braking member (24) and the lock tongue (1) to unlock. Also provided is an automobile comprising the described automobile door lock. The invention simplifies the internal structure of the automobile door lock, such that the volume of the automobile door lock is greatly reduced, reducing manufacturing costs.