The invention discloses an anti-theft and anti-prying door lock. The anti-theft and anti-prying door lock comprises a fixed base, a lock shell, a lock cylinder assembly and a lock beam assembly; the lock shell is installed on the edge of one door; the fixed base is installed on the edge of another door or on a door frame; the left side portion of the lock shell is buckled to the fixed base or is separated from the fixed base; the fixed base is provided with a lock beam lock nose; the lock cylinder assembly and the lock beam assembly are arranged in the lock shell; when the left side portion of the lock shell is buckled to the fixed base, the lock beam assembly is controlled by the lock cylinder assembly to lock or unlock the lock beam lock nose of the fixed base; and the position, corresponding to the lock cylinder assembly, on the lock shell is provided with a key hole. According to the anti-theft and anti-prying door lock, a locked portion is completely wrapped by the lock shell, the anti-prying performance is improved, and meanwhile installing is convenient.