A laser light source for projector, the laser light source comprising: at least one first laser light source module, for emitting a first laser light; a first light receiving module, wherein the first laser light passes through the first light receiving module; a phosphor wheel, having a first side and a second side, for receiving the first laser light and converting the first laser light into a first fluorescent light and a second fluorescent light, wherein the first side receives the first laser light passing through the first light receiving module and emits the first fluorescent light, and the second side emits the second fluorescent light; a second light receiving module, for receiving the second fluorescent light, wherein after the first fluorescent light passes through the first light receiving module and the second fluorescent light passes through the second light receiving module, at least one of the directions of optical axes of the first fluorescent light and the second fluorescent light is changed, wherein a total number of times by which the directions of the optical axes of the first fluorescent light and the second fluorescent light changes is at least twice; and a light combining module, for receiving the first fluorescent light passing through the first light receiving module and the second fluorescent light passing through the second light receiving module and combines the first and the second fluorescent lights (903, 904) to form a combined light, wherein the phosphor wheel comprises a first phosphor layer, the first phosphor layer is used for converting the first laser light into the first fluorescent light and the second fluorescent light, and the phosphor wheel further has at least a first portion, and the first phosphor layer is disposed in the first portion, characterized in that the phosphor wheel further comprises a third portion, the phosphor wheel further comprises at least a second phosphor layer (131b, 131c), the second phosphor layer (131b, 131c) is disposed in the third portion, wherein the first portion and the third portion are used for receiving the first laser light at different timings, and the first phosphor layer and the second phosphor layer are used for converting the first laser light at different timings, for making the lights emitted from the first phosphor layer and the second phosphor layer (131b, 131c) be combined to form the first fluorescent light and the second fluorescent light. at least one first laser light source module, for emitting a first laser light; a first light receiving module, wherein the first laser light passes through the first light receiving module; a phosphor wheel, having a first side and a second side, for receiving the first laser light and converting the first laser light into a first fluorescent light and a second fluorescent light, wherein the first side receives the first laser light passing through the first light receiving module and emits the first fluorescent light, and the second side emits the second fluorescent light; a second light receiving module, for receiving the second fluorescent light, wherein after the first fluorescent light passes through the first light receiving module and the second fluorescent light passes through the second light receiving module, at least one of the directions of optical axes of the first fluorescent light and the second fluorescent light is changed, wherein a total number of times by which the directions of the optical axes of the first fluorescent light and the second fluorescent light changes is at least twice; and a light combining module, for receiving the first fluorescent light passing through the first light receiving module and the second fluorescent light passing through the second light receiving module and combines the first and the second fluorescent lights (903, 904) to form a combined light, wherein the phosphor wheel comprises a first phosphor layer, the first phosphor layer is used for converting the first laser light into the first fluorescent light and the second fluorescent light, and the phosphor wheel further has at least a first portion, and the first phosphor layer is disposed in the first portion, characterized in that the phosphor wheel further comprises a third portion, the phosphor wheel further comprises at least a second phosphor layer (131b, 131c), the second phosphor layer (131b, 131c) is disposed in the third portion, wherein the first portion and the third portion are used for receiving the first laser light at different timings, and the first phosphor layer and the second phosphor layer are used for converting the first laser light at different timings, for making the lights emitted from the first phosphor layer and the second phosphor layer (131b, 131c) be combined to form the first fluorescent light and the second fluorescent light.