Atmosphere lamp support, atmosphere lamp and vehicle

The atmosphere lamp support is applied to the vehicle and comprises a support body, the support body is made of light-transmitting materials, the end face of the support body forms a light inlet face, the circumferential side face of the support body comprises a light outlet face, a light guide face and a light shading face, a first angle is formed between the light guide face and the light outlet face, and a second angle is formed between the light guide face and the light shading face. The shading surface and the light-emitting surface have a second angle or are parallel. According to the structure, a light guide strip is omitted, the support body is directly adopted to conduct and emit light, compared with an atmosphere lamp in the prior art, a part (the light guide strip) is omitted, the requirement for the installation space is reduced, the situation that abnormal sound is generated due to collision of the parts in the operation process is eliminated, and the situation that bright and dark spots are gene