Vitamin C has no direct therapeutic effect on blood clots. Vitamin C is mainly used to prevent and treat scurvy, but can also be used in the treatment of various acute and chronic infectious diseases, as well as for the adjuvant treatment of purpura and other diseases. Thrombus is a solid substance formed by the coagulation of blood vessel walls and blood components. Anticoagulant treatment can be carried out with drugs, such as low molecular heparin, ordinary heparin, warfarin sodium tablets, rivaroxaban and other drugs; thrombolysis can also be carried out with drugs such as recombinant human tissue-type fibrinogen activator; and surgical treatment can be carried out if necessary. When using vitamin C to treat the disease, it should be used under the guidance of a doctor and should not be used in excess. Overdose can cause headache, nausea, vomiting and other adverse reactions. Patients who are allergic to vitamin C are forbidden to use it. When a blood clot occurs, you should go to the hospital in time to identify the cause of the disease and carry out targeted treatment.