A light lamp for vehicle, comprising a plurality of light function modules (20, 30, 40), wherein each of the plurality of light function modules (20, 30, 40) comprises: a light source module having a light source; a light distribution module (300, 400, 500) disposed in front of the light source module and configured to distribute light emitted by the light source module; and a dissipation module disposed behind the light source module and configured to dissipate heat generated by the light source, and wherein the light source module comprises: a light source lens; a light emission body accommodating the light source lens; a light emission cover covering the light emission body; a phosphor assembly connected to the light emission body; and a reflection unit disposed in front of the light source lens and configured to reflect light, passing through the light source lens, toward the light source lens, wherein the light source module further comprises a first reducer lens configured to reduce width of light emitted by the light source, wherein, the first reducer lens is disposed between the light emission body and the light emission cover or between the light source and the light source lens and the light source module further comprises a second reducer lens spaced apart from the first reducer lens and configured to reduce a width of light emitted by the first reducer lens, the second reducer lens being disposed between the light emission body and the light emission cover or between the first reducer lens and the light source lens, wherein the phosphor assembly comprises: a phosphor configured to convert a wavelength of incident light and reflect the wavelength-converted light; a bracket in which the phosphor is mounted; a dissipation member in contact with a rear surface of the phosphor, and wherein the light emission body comprises: a light emission head part in which the light source lens is mounted; and a light emission tail part connected to a rear of the light emission head part, wherein a light entrance hole and a phosphor assembly coupling hole are formed at a rear of the light emission head part, wherein the phosphor assembly is coupled to a rear of the light emission head part and covers the phosphor assembly coupling hole, and wherein the bracket is fixed to a rear surface of the light emission head part, and the phosphor faces a rear surface of the light source lens. a light source module having a light source; a light distribution module (300, 400, 500) disposed in front of the light source module and configured to distribute light emitted by the light source module; and a dissipation module disposed behind the light source module and configured to dissipate heat generated by the light source, and a light source lens; a light emission body accommodating the light source lens; a light emission cover covering the light emission body; a phosphor assembly connected to the light emission body; and a reflection unit disposed in front of the light source lens and configured to reflect light, passing through the light source lens, toward the light source lens, a phosphor configured to convert a wavelength of incident light and reflect the wavelength-converted light; a bracket in which the phosphor is mounted; a dissipation member in contact with a rear surface of the phosphor, a light emission head part in which the light source lens is mounted; and a light emission tail part connected to a rear of the light emission head part, wherein a light entrance hole and a phosphor assembly coupling hole are formed at a rear of the light emission head part,