The utility model discloses a comprehensive inversion system of three -dimensional crack growth process of nontransparent test piece belongs to rock fracture mechanics monitoring facilities field. Itincludes prefabricated nontransparent test piece, loading control system, sound emission acquisition system and the CT scan platform that has the crackle, and prefabricated have the nontransparent test piece of crackle to fix in the middle of upper and lower pressure head, and upper and lower pressure head is connected with loading control system, has the nontransparent test piece of crackle to apply load through loading control system to the prefabrication, nontransparent test piece surface is provided with a plurality of acoustic emission sensor, and every acoustic emission sensor has preamplifier through respective line connection, and preamplifier and sound emission acquisition system are connected, the acoustic emission signal warp the preamplifier input is sound emission acquisitionsystem extremely. The utility model discloses can announcement test piece internal fissure directly perceived developments expansion process, provide useful reference for research crack growth law, prevention and solution rock mass engineering calamity.