Control system of colorful lamp band with automatically changed colors

The utility model discloses a control system of a colorful lamp band with automatically changing colors, which comprises the colorful lamp band and a lamp band controller which are fixed on an indoor wall body, and the lamp band controller is electrically connected with the colorful lamp band. The colorful lamp band comprises colorful lamp beads with two or more colors which are fixedly connected in parallel; the lamp strip controller comprises a built-in lamp strip control chip and a square microphone on the outer surface, and the lamp strip control chip is further connected with the square microphone; the square microphone is used for collecting external sound signals in a voice control mode, converting the sound signals into electric signals and sending the electric signals to the lamp strip control chip, and the lamp strip control chip controls the colorful lamp beads of the colorful lamp strip to emit light according to changes of the electric signals. The colorful lamp beads with various colors are arra