Inclusion Criteria:  Adults with ventricular thrombus(VT), regardless of sex, basic diseases, occupation or education; The VT should be found newly within 3 months; The observational phase should last until the time that patients who had achieved thrombus resolution. The following up period after the phase ended should continue for at least 3 months.  Exclusion Criteria:  Individuals received standard antithrombotic therapy within 4 weeks; Individuals received the thrombectomy therapy, ventricular aneurysm resection or heart transplantation within 6 weeks since the VT was found in the first time; Had a long history of VT more than three months.