A lamp module, connected to a light source emitting at least one light beam, the lamp module comprising: a reflector, having an incident surface and an output surface, and the light source configured in the incident surface; and a light adjusting element, configured within the reflector, comprising: a first adjusting structure; a second adjusting structure connected to the first adjusting structure; and a third adjusting structure connected to the second adjusting structure; wherein the first adjusting structure, the second adjusting structure and the third adjusting structure are used to adjust the light reflected to the output surface, the first adjusting structure being disposed outside of the second adjusting structure and the second adjusting structure being disposed outside of the third adjusting structure; wherein the distance between the third adjusting structure and the incident surface is less than the distance between the second adjusting structure and the incident surface, and the distance between the second adjusting structure and the incident surface is less than the distance between the first adjusting structure and the incident surface; characterized in that the third adjusting structure is disposed at the inner edge of the second adjusting structure and extends from the inner edge of the second adjusting structure toward the incident surface to protrude outside the second adjusting structure. a reflector, having an incident surface and an output surface, and the light source configured in the incident surface; and a light adjusting element, configured within the reflector, comprising: a first adjusting structure; a second adjusting structure connected to the first adjusting structure; and a third adjusting structure connected to the second adjusting structure; wherein the first adjusting structure, the second adjusting structure and the third adjusting structure are used to adjust the light reflected to the output surface, the first adjusting structure being disposed outside of the second adjusting structure and the second adjusting structure being disposed outside of the third adjusting structure; wherein the distance between the third adjusting structure and the incident surface is less than the distance between the second adjusting structure and the incident surface, and the distance between the second adjusting structure and the incident surface is less than the distance between the first adjusting structure and the incident surface; characterized in that the third adjusting structure is disposed at the inner edge of the second adjusting structure and extends from the inner edge of the second adjusting structure toward the incident surface to protrude outside the second adjusting structure. a first adjusting structure; a second adjusting structure connected to the first adjusting structure; and a third adjusting structure connected to the second adjusting structure; wherein the first adjusting structure, the second adjusting structure and the third adjusting structure are used to adjust the light reflected to the output surface, the first adjusting structure being disposed outside of the second adjusting structure and the second adjusting structure being disposed outside of the third adjusting structure; wherein the distance between the third adjusting structure and the incident surface is less than the distance between the second adjusting structure and the incident surface, and the distance between the second adjusting structure and the incident surface is less than the distance between the first adjusting structure and the incident surface; characterized in that the third adjusting structure is disposed at the inner edge of the second adjusting structure and extends from the inner edge of the second adjusting structure toward the incident surface to protrude outside the second adjusting structure.