Lung involvement is seen in 85% of patients with mixed connective tissue disease. Only 27% of them present with clinical symptoms, mainly shortness of breath, chest pain and dry cough. Interstitial lung fibrosis, pleural effusion, pleural hypertrophy or pulmonary hypertension occur in a minority of patients. Patients with lung involvement should be examined at a regular hospital. Pulmonary involvement is associated with pulmonary hemorrhage in 12% to 29% of patients with spinal vascular disease and is also an important factor in morbidity and mortality. Hemoptysis is a common manifestation of pulmonary involvement, ranging from blood in the sputum in mild cases to massive hemoptysis in severe cases. Most cases present within 1 month of admission, but it can also be chronic, with dyspnea and anemia, and pulmonary hemorrhage can lead to severe hypoxemia. Common imaging features are alveolar shadows without pulmonary edema or infection. An elevated carbon monoxide conversion factor (≥30%) is also indicative of pulmonary hemorrhage, and the diagnosis can be confirmed by bronchoalveolar lavage. Some patients with small-vessel pulmonary vasculitis have clinical imaging features consistent with an interstitial course resembling idiopathic pulmonary fibrosis. Pulmonary involvement may present with cough, dyspnea, chest tightness, etc. Seek medical attention promptly if these symptoms are detected. Patients with lung involvement should eat soft, easy-to-digest foods, warm foods, and foods that clear heat and phlegm, such as celery, and squeeze the juice to drink, which not only helps the gallbladder and colon to clear toxins and waste, but also provides the body with essential fatty acids. 1. Olive oil not only helps the gallbladder and large intestine to clear toxins and waste, but also provides essential fatty acids in the body. When you wake up in the morning, take a spoonful of pure, low-temperature compressed olive oil. 2, celery Not only does it provide nutrition, moisten the lungs and relieve cough, but it also cleanses the stomach and intestines and expels toxins. Squeeze out the juice and drink it. 3.Lily Fresh lily juice can cure hemoptysis of tuberculosis, chronic bronchitis with emphysema. Fresh lily three, take the juice with warm boiled water, once in the morning and once in the evening.