Thrombosis can cause lower limb edema or foot swelling, and patients are advised to combine active anticoagulation therapy, and at the same time to avoid the risk of life caused by the dislodgement of the embolus. Pulmonary embolism, cerebral infarction, cardiac arrest and sudden death may occur as a result of dislodged emboli. It is important to take oral medications such as warfarin or new oral anticoagulants, which can help prevent embolism. In addition, it is also recommended to take the appropriate oral lipid-lowering and plaque stabilizing drugs, such as statins, representative drugs such as atorvastatin and resulvastatin.