Symptoms of non-invasive bladder cancer metastasis can appear differently according to different sites of metastasis. For example, lung metastasis may present hemoptysis, liver metastasis may present right upper abdominal pain, bone metastasis may present bone pain and other symptoms. 1. Lung metastasis: non-invasive bladder cancer metastasized to lungs will cause cough, chest pain, hemoptysis and other symptoms. 2. Liver metastasis: non-invasive bladder cancer metastasized to liver will cause right upper abdominal pain, decreased appetite, jaundice, and ascites and esophagogastric fundus varices when tumor presses portal vein. 3. Bone metastasis: non-invasive bladder cancer metastasized to the skeletal system will cause bone pain and pathological fracture; tumor metastasized to the spine may also compress the spinal cord and cause muscle weakness and paralysis; tumor metastasized to the skull will also cause nausea, vomiting and dizziness and other symptoms. After the symptoms of non-invasive bladder cancer metastasis appear, one should go to the hospital in time, and under the guidance of doctors, carry out regular treatment to avoid further progression of the disease.