Coughing up a piece of very hard meat-like sputum can be seen in lung infection and lung tumor. 1. Lung infection: Bacteria, viruses, fungi, tuberculosis and other pathogens cause lung infection, shortness of breath, chest tightness, sputum is dried up and becomes very sticky, forming sputum crusts, coughing up a very hard sputum like meat, sputum is sticky, sputum can be taken orally through sputum removing drugs such as aminobromine, acetylcysteine effervescent tablets, nebulization of acetylcysteine solution to remove sputum, sputum can be aspirated or bronchoscopy alveolar lavage treatment to promote the expulsion of sticky sputum and the absorption of infection, at the same time, according to the etiology of the corresponding anti-infection, for example, clear bacterial infection can be used to fight infection. If necessary, aspiration or bronchoscopic alveolar lavage can be used to promote the expulsion of thick sputum and absorption of infection, and at the same time, according to the aetiology of the corresponding anti-infection, for example, clear bacterial infection can be used levofloxacin, amoxicillin and other antibiotics. 2. Lung tumor: teratoma and lung cancer, can cough up part of necrotic tissue, tumor, just like meat, a piece of very hard sputum, bronchoscopy mucosal or transmural biopsy, or percutaneous lung puncture biopsy to further define the nature of the occupation. Surgery and radiotherapy are feasible. The appearance of spitting out a very hard sputum like meat, it is recommended to consult a doctor in a timely manner, improve the relevant examination, under the guidance of a specialist physician for treatment.