The care measures for patients with respiratory failure are as follows: 1. respiratory care: patients often have chronic tissue lung disease, poor lung function, and a history of bronchial asthma, etc. Such patients need to pay attention to sputum excretion; 2. exercise lung function: perform lip contraction breathing, once in the morning and once in the afternoon, for 20 min each time; 3. patients often have lower limb edema, and need to elevate the local lower limbs; 4. drink an appropriate amount of water; 5. when the weather changes or the climate changes drastically Avoid going out to prevent respiratory tract infection; 6. For patients with chronic and type II respiratory failure, the oxygen flow rate should be small.