The present disclosure belongs to the technical field of lighting equipment, and in particular to, a simple fluorescent filament multi-color lamp bulb, including a lamp holder, a lampshade, a closing cover, a fluorescence reflection device, end portions of the conductive filaments extends upwards through the closing cover; the fluorescence reflection device is placed in the lampshade; the fluorescence reflection device wraps an LED of the lampwick main body; the lamp holder covers the closing cover and is in threaded connection with the lampshade; and the two conductive filaments are both electrically connected to the lamp holder. Through the above structural setting, a light effect achieved by the LED is colorful.