Symptoms one month after kidney cancer metastasis to lungs are diverse, mainly include urinary system symptoms, respiratory system symptoms and systemic symptoms. 1. Urinary system symptoms: Kidney is the main organ of urinary system, kidney cancer will cause urinary system dysfunction, which will lead to proteinuria, hematuria, edema and lumbago and other symptoms. 2. Respiratory system symptoms: kidney cancer metastasized to lungs will cause occupying lesions in lungs, and may involve pleura, which will reduce the function of respiratory system, leading to cough, dyspnea, hemoptysis, chest pain and other symptoms. 3. Systemic symptoms: after kidney and lung lesions occur, the load in the body becomes heavier and heavier, which will cause systemic symptoms, such as fatigue, night sweating (sweating abnormally after going to sleep, but the sweating stops after waking up), emaciation, fever and other systemic symptoms. After kidney cancer metastasis to lungs patients need to consult doctor for examination and early treatment.