Severe pneumonia is a common clinical emergency. Most patients present with fever, cough, wheezing, coughing sputum, rapid heart rate, drowsiness and depression. In the process of comprehensive treatment of severe pneumonia, nursing measures are very important, divided into fever care, hypoxia care, vital signs care, cough and sputum care and life care, etc. 1. Fever care: Patients with fever should rest in bed to reduce oxygen consumption. When using drugs to lower the temperature, it is necessary to follow medical advice to use drugs carefully, but also to avoid sweating too much after taking drugs, resulting in deficiency or excessive loss of water and electrolytes; 2. Hypoxia care: patients with severe pneumonia have varying degrees of hypoxia, and must be given nasal cannula and mask oxygen in a timely manner. In case of severe hypoxia, high-flow oxygen should be given in time, or the hypoxia should be corrected by non-invasive or invasive ventilator, so that the transcutaneous oxygen saturation can be maintained above 95%; 3. Dynamic observation of all vital signs, as well as monitoring body temperature, blood sugar, urine volume, sweating volume, etc. It is necessary to record 24-hour in and out volume, including additional loss, such as vomiting, diarrhea, etc.; 4. Cough and sputum care: instruct patients to breathe deeply and cough effectively, and also need to promote more sputum excretion, strengthen turning, back patting and chest percussion, which is conducive to sputum drainage and keep the respiratory tract unobstructed. Inhale to dilute sputum and assist in sputum excretion. If the sputum is still difficult to be expelled, the patient can be given suction operation to make the sputum better expelled; 5. Life care: try to let the patient take high pillow position or semi-recumbent position when resting, which can reduce the amount of cardiac blood return and reduce the load on the lungs and heart. Turn regularly and help move the limbs to avoid the formation of bedsores or venous thrombosis of the lower limbs. Encourage the patient to eat through the gastrointestinal tract to restore intestinal flora and promote intestinal motility. Try to replenish fluids through the gastrointestinal tract so that intravenous rehydration does not increase the burden on the heart.