Vessel Shutong Granule has the efficacy of clearing heat and removing toxins, resolving blood stasis and clearing channels, dispelling dampness and subduing swelling. It can be used to treat thrombosed superficial phlebitis caused by dampness-heat stasis blocking the veins and channels. It can also be used to improve the symptoms of non-acute deep vein thrombosis, such as localized redness and swelling of the skin of the lower limbs, fever, fatigue, thirst, and inconvenience in walking. It is contraindicated for those who are allergic to the product and the components of the drug contained in it; for patients within a week of the first onset of deep vein thrombosis; for pregnant women. In addition, avoid spicy and stimulating food during the administration of the drug. If the symptoms do not improve significantly after 7 days of use, the drug should be stopped immediately and go to the hospital. The specific use of the drug should be carried out under the guidance of a doctor, do not take it on your own, so as not to delay the condition.