The invention discloses a billiard goal timer and a billiard ball. The novel billiard goal timer and the billiard ball are characterized in that the timer comprises ball hole sensors, a ball opening sensor, a signal receiving and processing device and an operation desk, wherein the ball hole sensors are arranged at the positions of billiard table ball holes; the ball opening sensor is arranged at a ball opening point on a billiard table tabletop; the signal receiving and processing device is connected with the ball hole sensors and the ball opening sensor; the operation desk is connected with the signal receiving and processing device; and the billiard ball matched with a billiard table for use is provided with a password or signal generating device. The invention also discloses the billiard table capable of accurately recording goal time of each billiard ball, and the billiard ball matched with the billiard table for use.