Methods to dissolve thrombus, strictly speaking, there is no way to dissolve the thrombus once formed. No matter what method is used, the treatment of thrombus is still in the stage of figuring out at present.1, but at present, the simplest method in clinic is thrombolytic therapy, eligible patients with newly formed thrombus can use urokinase, streptokinase and so on, by giving drugs to dissolve the thrombus, the conditions are more demanding.2, mechanical methods of breaking up the thrombus and taking out the thrombus, using instruments to adopt the minimally invasive surgical method, through the interventional means of breaking up the thrombus, and then through the instrument surgical method to remove it, so that the blood vessel re-establishes the channel for the blood circulation. The thrombus is broken up by means of interventional methods, and then taken out by means of instrumental surgery, so that the blood vessels can re-establish the channel for blood circulation. This is a commonly used method at present, but the requirements and indications are also very strict. Therefore, there is no method of dissolution, but the methods of thrombolysis, thrombus removal and thrombus fragmentation are still being explored and groped for, and are being carried out by hospitals that have the conditions to do so.