Advanced kidney cancer can have metastasis in many places all over the body, and metastasis to lungs can cause symptoms like coughing up blood, chest pain, etc. As the disease progresses, it can also lead to severe anemia, dyspnea, swelling, etc. in serious cases, and even endanger the life. Kidney cancer is a very common malignant tumor in urology, which has the tendency of metastasis. If it is not found in the early stage, it may metastasize to the lungs with the further development of metastasis, which can lead to coughing up blood, tightness in chest, chest pain, swelling, coughing, etc. With the further development of the condition, the patient can suffer from serious anemia, coma, and even endanger his/her life. Kidney cancer with lung metastasis indicates that it is already in advanced stage, so according to the patient’s specific condition as well as physical condition, patients can choose corresponding treatment to prolong the survival time and improve the quality of life as much as possible.