Lung soft tissue density nodule shadow 2cm patients need to carry out further examination to confirm the nature of the diagnosis, if it is a benign nodule is generally not serious, if the malignant nodule is more serious. 1. Benign nodules: if it is caused by working environment, dust accumulation and other reasons, it is generally benign nodules; such as tuberculosis infection, fungal infection, bacterial infection caused by anti-tuberculosis, anti-fungal, antibacterial treatment will shrink or disappear; benign nodules are generally not serious, but for the 2cm of benign tumors are generally taken to the surgical treatment. 2. Malignant nodule: if it is caused by lung tumor or lung metastasis, it will be more serious, and need to combine with pathology and other relevant examinations to decide whether surgery and corresponding drug treatment can be carried out, and need to actively cooperate with doctors for treatment. In daily life, one should stay away from dusty and polluted spaces, reduce going to places with large flow of people, prohibit smoking, and pay attention to keep the daily environment clean and tidy. If you find soft tissue nodules in the lungs, we recommend that you go to the hospital for diagnosis and treatment, and follow the doctor’s instructions for treatment.