The invention relates to a voice-controlled multifunctional bicycle disc brake lock. The voice-controlled multifunctional bicycle disc brake lock is characterized by comprising an upper base body, a voice unlocking structure, a lock pin, an integrally cylindrical steel wire rope lock and a lower base body. A U-shaped cavity is formed between the upper base body and the lower base body, the lock pin is arranged at an open end of the U-shaped cavity, the voice unlocking structure is positioned in the upper base body, and the steel wire rope lock is positioned in the inner middle of the lower base body. An accommodating cavity is formed in the upper base body, the sidewall of the accommodating cavity is provided with slotted voice holes, an upper base body locking hole is formed in one end, disconnected from the lower base body, of the upper base body, the voice unlocking structure is arranged in the accommodating cavity, a round lock cavity is formed in the middle of the lower base body, a lower base body locking hole is formed in one end, disconnected from the upper base body, of the lower base body, and the steel wire rope lock is arranged in the round lock cavity. The upper cylindrical surface of the lock pin is provided with a groove while the lower portion thereof is provided with a shoulder step and passes through a reset spring, and the reset spring abuts against the shoulder step of the lock pin while the other end thereof abuts against the inner lower wall of the upper base body locking hole.