In recent years, the incidence of hematological diseases is increasing year by year, in the treatment of hematological diseases, combined Chinese and Western medicine treatment, bone marrow hematopoietic stem cell transplantation and other methods have greatly improved the remission rate and cure rate of patients, at present, in the treatment of hematological diseases, intravenous infusion is one of the main ways of drug treatment, most drugs are through intravenous infusion to achieve the therapeutic effect, which includes many chemotherapy drugs, including many drugs, are Many drugs, including many chemotherapy drugs, contain stimulants and foaming agents, which are very irritating to the blood vessels of hematology patients. In this way, some hematology patients sometimes feel pain in their blood vessels during intravenous infusion, and once they feel pain, it means that the inner lining of the blood vessels has been damaged, and there are no nerves in the inner lining of the blood vessels, so they can’t feel pain, and the nerves are in the middle layer of the blood vessels, and they feel pain only when the inner lining is damaged. After the endothelium is destroyed, the permeability of the blood vessel is enhanced, and the drug can have extravasation and affect the next infusion. 1.For hematology patients who apply chemotherapy drugs, understand the dosing regimen and the irritation of each drug before infusing these drugs to avoid local intravenous reactions. 2, often massage the peripheral blood vessels of the extremities, rub the back of the hands, the back of the feet, etc., to increase local blood circulation and vascular elasticity, to protect the local blood vessels, you can use warm water towel hot compress vascular parts, softening the blood vessels. 3.If you feel pain or have abnormal feeling during drug injection, you should tell the nurse in time, do not force to endure, so as not to cause complications due to strong local irritation of the drug or inadvertent drug exudation. 4, drug injection must observe the local skin for papules, redness and other conditions, if there are abnormalities, the nurse will give timely and appropriate treatment. If the local skin reacts or is painful, ice packs, hydrocortisone urea ointment, Xanadu ointment, etc. can be applied to the local skin under the guidance of the nurse, and if necessary, the nurse will carry out local closure and other treatments.