The cure rate of lung metastasis of soft tissue sarcoma is around 20%~30%, which generally cannot be completely cured, and can only be inhibited by chemotherapy and radiotherapy to inhibit the growth of cancer cells, alleviate the symptoms and improve the survival period. If lung metastasis of soft tissue sarcoma occurs, it is the manifestation of malignant tumor that has already occurred distant metastasis, which indicates that the cancer has already reached the advanced stage, and symptoms such as hemoptysis, respiratory difficulties, vomiting may occur. Generally, it is impossible to be treated by surgery, and can only be inhibited by chemotherapy and combined with the treatment of targeted drug therapy to inhibit the growth of cancer cells, alleviate the symptoms, and prolong the survival period. Maintain a good mindset, avoid excessive pressure, provide timely psychological guidance to patients, ensure sufficient sleep, pay attention to rest, ensure balanced nutrition, and prohibit smoking and drinking.