Vehicle-mounted cup holder structure

The vehicle-mounted cup stand structure comprises a base, a main cup stand and an auxiliary cup stand, the main cup stand and the auxiliary cup stand are arranged on the base, an opening is formed in the position, close to the bottom of the main cup stand, of the base, a refrigeration piece is arranged at the position, located at the opening, of the base, a heat conduction piece is arranged on the side, close to the bottom of the main cup stand, of the refrigeration piece, and a heat insulation pad is arranged between the base and the bottom of the main cup stand. A containing hole is formed in the heat insulation pad, the refrigeration piece and the heat conduction piece are located in the containing hole, a radiator is arranged on the side, away from the refrigeration piece, in the base, and a fan corresponding to the radiator is arranged on the base. A main circuit board electrically connected with the refrigeration sheet is arranged in the base, a control part is formed between the main cup holder and the