The invention discloses an LED color-changing lamp with a timing color-changing function. The LED color-changing lamp comprises a left adjusting valve, an inner light-gathering sheet, a protective frame, a waterproof layer and an electric conduction base; the protective frame is arranged on the right side of the left adjusting valve, the inner light-gathering sheet is arranged on the surface of the protective frame, a color-changing lamp bead is arranged on the surface of the inner light-gathering sheet, and a right adjusting valve is installed on the right side of the protective frame; and asupporting frame is installed below the protective frame, the electric conduction base is arranged below the waterproof layer, a color change sensor is arranged on the left side of the electric conduction base, a working power supply is arranged on the left side of the color change sensor, and a pulse circuit is arranged inside the electric conduction base. According to the lamp, a time setter anda programming controller are arranged, so that when the set time is reached, different colors can be changed; the change of the lamplight is controlled by the programming controller, so that the functionality of the lamp is stronger; and the inner light-gathering sheet enables the irradiated light rays to be more soft.