The invention discloses a compressive guarantee system for equipment based on an IETM. The compressive guarantee system comprises a business system and a platform support system, wherein the business system comprises an IETM system, a training learning system, an automatic test and diagnosis system, a maintenance support informatization system and a knowledge base system, wherein the platform support system comprises a cloud platform storage system and a compressive management system. The compressive guarantee system disclosed by the invention is combined in image-text, linked in audio and video, visual and intuitional, and friendly to interface, and is capable of carrying out three-dimensional demonstration, operation and decomposition, automatic navigation, depth search, phenomenon and fault association, automatic test and smart fault analysis; the compressive guarantee efficiency is improved; the operating error rate is reduced; the use and maintenance complexity of the system is lowered; the fault treatment time is shortened; the test time is shortened; the compressive guarantee system is a scientific and reasonable training system; the training learning cycle is shortened; a knowledge base system is accumulated and shared; and the dependence on personal experience is reduced.