Heat insulation door body structure

The invention discloses a heat insulation door body structure. The heat insulation door body structure comprises a first door body part, a door lining, a second door body part and fixed parts, whereinthe first door body part and the door lining form a door body; the second door body part is arranged between the first door body part and the door lining at interval and is configured to block heat from being transmitted from one side of the door lining to one side of the first door body part; the fixed parts are arranged at the two sides of the second door body part and are used for clamping andfixing the second door body part; the end, being in contact with the first door body part, of each fixed part, is provided with a first flange which is used for enhancing the stability of the connection between the fixed part and the first door body part; the fixed parts are connected to the first door body part; and the door lining covers at least the area where the second door body part and thefixed parts are located. T