The invention discloses a voice-sensing beat lamplight system. The system is characterized in that different special lamplight effects are designed for different pieces of music according to musical beats, a control master triggers the corresponding special lamplight effects according to a timeline during music playing, special voices, such as scream and whistle, of a person or voices made with special items such as a bell, a drum, a hammer, a whistle and a clicker are monitored, after the certain voice is recognized, a signal is transmitted to the control master, and the control master enhances brightness of the certain special lamplight effect in a certain following period according to an algorithm. The system is compatible with an original music playing system and can enhance the sense of beats through the special lamplight effects; meanwhile, the brightnesses of the special lamplight effects are enhanced through the voices responding to a user's control; an interactive entertainment way in accordance with natural habits of human is provided.