Patients with lung cancer can have fever themselves. Generally, cancerous fever is the main type. The body temperature is about 38 degrees, and afternoon fever is the main type. In addition, patients with lung cancer are prone to fever if they have infection. In addition, patients with lung cancer may also have cough, mainly irritating dry cough, hemoptysis, fatigue, emaciation, anemia, chest tightness, chest pain and other symptoms. In case of distant metastasis, headache, dizziness, nausea, vomiting, mainly jet vomiting, blurred vision, general arthralgia, bone pain, abdominal pain, abdominal distention, dysphagia, loss of appetite, etc.