1.The patient is extremely thin. 2, Often feel very weak. 3.The voice starts to become uncertain and hoarse. 4.There is little appetite, and it is difficult to swallow remorse, and only fluid food can be eaten. 5.Phlegm is very thick. 6, The patient was sleeping most of the time, sleeping in only one position, sitting in a chair with a 90-degree front bow, and the bed was almost impossible to find a position where he could sleep, which was very painful. 7, the patient is accompanied by multi-organ failure. If the patient has several symptoms above, it is the manifestation of lung cancer before death.