The utility model provides an antidetonation communication cabinet, includes: the cabinet body, set up in the first support of internal top in the cabinet, first support extends along cabinet body width direction for fixed monitor top, set up in the second support of the internal troops under one's command side of cabinet, the second support is used for bearing monitor weight and injects the displacement of monitor bottom towards cabinet mouth direction, set up a plurality of third support between first support and second support, the third support is used for bearing the monitor weight that sets up in its top to the displacement that cabinet mouth direction is followed in two adjacent monitors of its top and below to the qualifying bit, still including fixed angle bar, fixed angle bar is used for injecing the displacement of the mouth of the cabinet dorsad direction of monitor. Through first support, second support to and a plurality of third supports, a plurality of fixed angle bar make the monitor be located the internal degree of freedom of cabinet for zero, very big increase its in the internal stability of cabinet, can not break away from the cabinet body because of vibrations, have apparent antidetonation effect.