The invention discloses a radio frequency modulation tunable all-fiber laser with stable power control. The radio frequency modulation tunable all-fiber laser is characterized in that a first fiber annular mirror, a double-clad non-doped fiber, a double-clad doped fiber, a signal light channel of a wavelength division multiplexer and a second fiber annular mirror are sequentially in butt fusion end to end, a second arm of the first fiber annular mirror is connected with a light power meter, the light power meter is connected with a controllable semiconductor laser power source, and the controllable semiconductor laser power source is connected with a pumping source; the pumping source is in butt fusion with a pumping light channel of the wavelength division multiplexer, and a second arm of the second fiber annular mirror is connected with an output tail fiber; the double-clad non-doped fiber is wound on a fiber fixing stretching support; a piezoelectric ceramic is connected with a radio-frequency power source. The radio frequency modulation tunable all-fiber laser with the stable power control has the advantages that an all-fiber structure without discrete components is adopted, insertion loss is avoided, beam quality is high, output power is high, structure is compact, performance is stable and reliable, and continuous tuning in a wide range can be achieved.