1.Venous thrombosis treatment is given to activate blood circulation and remove blood stasis and other drugs. After the liquid speed is adjusted by the nurse, tell the patient or family members that they cannot adjust the speed of the liquid by themselves. 2.Pay attention to any abnormal bleeding from nose and gums, any small red dots on the body especially on the chest and limbs, any bleeding spots at the injection site, any abdominal pain, headache and other symptoms, if any of these phenomena, inform the medical staff in time. 3. Inform the patient if there is panic, skin redness, skin rash promptly by calling, or have the family notify the nurse, who will also constantly patrol the ward.