A person''s nose is an external manifestation of internal organs. Therefore, the health of a person can be roughly judged from the nose. Nose and nose redness, and small pustules, may be acne. If a woman''s nose is red, it may be a sign of gynecological disease. Red nose, may be sick in the heart and blood circulation. Nose and nose redness, skin damage, and telangiectasia and tissue thickening, it may be rosacea.

　　Watery snot: more common in acute rhinitis, allergic rhinitis, some early respiratory infections, flu, irritant gas inhaled into the nasal cavity, etc. Tears can also flow into the nasal cavity through the nasal tube, forming a snot. Apply anti-inflammatory ointment.

　　If it is advanced lung cancer, then this situation may happen, mainly depends on the stage. It may be related to the occasional damage to the nasal mucosa, which can be temporarily observed first. The general symptoms of lung cancer are coughing, blood in the sputum, etc. It is recommended to further check in time.

　　 First of all, it is recommended to check to eliminate nasal diseases, and there are other reasons that can cause nosebleeds, such as dry climate, nasal mucosa is moist, and avoid dry, no matter what season, as long as the indoor and outdoor climate If it is dry, nose bleeding is likely to occur. In addition, the heart rate is accelerated during fever, the blood flow rate is fast, and the small blood vessels are dilated. In addition, when the fever is low, the amount of water intake, sweating, and dry mouth are prone to cause the nose to bleed. There are foreign objects in the nasal cavity, or some damage to the nasal mucosa causing nose bleeding.

　　If it is not hemoptysis (respiratory hemoptysis), then observe whether there is bleeding in other parts such as gums, skin and mucous membranes. If not, it is the problem of nasal capillaries, which is not related to cancer. However, if there is bleeding in other parts, it means that the condition is very serious, and DIC is complicated, which is a very dangerous situation. Simple tumor metastasis cannot be excluded.