Quality control detection die body of mammary gland CT (Computed Tomography) machine

The utility model discloses a quality control detection die body of a mammary gland CT (Computed Tomography) machine, the detection die body comprises two single die bodies which are arranged on an alignment tool plate and have an adjustable distance, and each single die body comprises a shell and a characteristic module; the shell comprises an upper shell body and a fixing plate, the upper shell body simulates the breast shape of an adult female, and the edge of the fixing plate is tightly attached to the inner wall of the bottom of the upper shell body. The feature module comprises a distance measuring module, a first low-contrast module, a first high-resolution module, a uniformity water module, a second low-contrast module and a second high-resolution module which are stacked on the fixed plate from top to bottom; a cylindrical water tank is formed in the uniformity water module, two water pipes are led out of the water tank, the water pipes penetrate through the second low-contrast module and the second