Pulmonary edema during infusion should immediately inform the doctor emergency rescue, stop inputting the original fluid, adjust the patient’s position, oxygen, drug therapy, etc.. 1. Stop the input of the original liquid: pulmonary edema during infusion may be acute heart failure, may also be allergic, then immediately notify the doctor emergency rescue, stop the input of the original liquid. 2. Adjust the body position: make the patient sitting position, both lower limbs drooping, reduce the amount of return blood. 3. Oxygen intake: the patient’s blood oxygen will be significantly reduced by pulmonary edema, need oxygen intake, even high-flow oxygen intake, if necessary, need ventilator-assisted respiration. 4. Drug therapy: according to the patient’s vital signs and specific conditions can be given high-dose diuretics such as furosemide, small doses of morphine, anti-allergic drugs such as dexamethasone, vasodilator drugs such as nitroglycerin. Infusion process of pulmonary edema is an emergency, need to follow the doctor’s advice and active treatment, the above drugs should be used under the guidance of a doctor.