A headlight module (100, 110) comprising: a plurality of light sources (1a, 1b, 1c) each including a light emitting face (11a, 11b, 11c) and configured to emit light as projection light; a plurality of condensing optical elements (2a, 2b, 2c), each being configured to collect light emitted from one of the plurality of light sources (1a, 1b, 1c) to form collected light, thereby forming a plurality of intermediate images (IMa, IMb, IMc); and a projecting optical element configured to magnify and project the plurality of the intermediate images (IMa, IMb, IMc) formed by light emitted from the plurality of light sources (1a, 1b, 1c); wherein the plurality of intermediate images (IMa, IMb, IMc) are in optically conjugate relationship with the light emitting faces (11a, 11b, 11c) respectively, the plurality of condensing optical elements (2a, 2b, 2c) has a function of refracting passing light, characterized in that each of the condensing optical elements (2a, 2b, 2c) includes a first incident face, a second incident face, a reflection face, a first output face, and a second output face, first light rays of small outgoing angles among the light emitted from one of the light emitting faces (11a, 11b, 11c) enter one of the condensing optical elements (2a, 2b, 2c) through the first incident face and exit from the first output face, the first light rays of small outgoing angles exiting from the first output face are collected in front of one of the condensing optical elements (2a, 2b, 2c), second light rays of large outgoing angles among the light emitted from one of the light emitting faces (11a, 11b, 11c) enter one of the condensing optical elements (2a, 2b, 2c) through the second incident face, are reflected by the reflection face, travel towards front of one of the condensing optical elements (2a, 2b, 2c), and exit from the second output face, each of the intermediate images (IMa, IMb, IMc) is formed by the first light of small outgoing angles, and the second light rays of large outgoing angles reflected by the reflection face form a circular-shaped image inscribed in one of the intermediate images (IMa, IMb, IMc), the circular-shaped image being smaller than one of the intermediate images (IMa, IMb, IMc). a plurality of light sources (1a, 1b, 1c) each including a light emitting face (11a, 11b, 11c) and configured to emit light as projection light; a plurality of condensing optical elements (2a, 2b, 2c), each being configured to collect light emitted from one of the plurality of light sources (1a, 1b, 1c) to form collected light, thereby forming a plurality of intermediate images (IMa, IMb, IMc); and a projecting optical element configured to magnify and project the plurality of the intermediate images (IMa, IMb, IMc) formed by light emitted from the plurality of light sources (1a, 1b, 1c); wherein the plurality of intermediate images (IMa, IMb, IMc) are in optically conjugate relationship with the light emitting faces (11a, 11b, 11c) respectively, the plurality of condensing optical elements (2a, 2b, 2c) has a function of refracting passing light, characterized in that each of the condensing optical elements (2a, 2b, 2c) includes a first incident face, a second incident face, a reflection face, a first output face, and a second output face, first light rays of small outgoing angles among the light emitted from one of the light emitting faces (11a, 11b, 11c) enter one of the condensing optical elements (2a, 2b, 2c) through the first incident face and exit from the first output face, the first light rays of small outgoing angles exiting from the first output face are collected in front of one of the condensing optical elements (2a, 2b, 2c), second light rays of large outgoing angles among the light emitted from one of the light emitting faces (11a, 11b, 11c) enter one of the condensing optical elements (2a, 2b, 2c) through the second incident face, are reflected by the reflection face, travel towards front of one of the condensing optical elements (2a, 2b, 2c), and exit from the second output face, each of the intermediate images (IMa, IMb, IMc) is formed by the first light of small outgoing angles, and the second light rays of large outgoing angles reflected by the reflection face form a circular-shaped image inscribed in one of the intermediate images (IMa, IMb, IMc), the circular-shaped image being smaller than one of the intermediate images (IMa, IMb, IMc).