Generally, multiple nodules have the possibility of malignant and benign, and the specific conclusion should be examined and diagnosed in the hospital. The best way to know the nature of the nodules is to take pathology, that is, to take the tissue of the nodules, and then do section pathology, whether there is found malignant lesions. If it is specific to multiple nodules in the lung, malignant ones are basically metastatic tumors in the lung formed by the metastasis of malignant tumors in other parts of the body, and metastatic cancer is often a multiple manifestation. In contrast, primary lung cancer is basically a single lung nodule or mass, and rarely there are many primary lesions at the same time. Most benign tumors will not turn into malignant tumors, but only in rare cases will they become malignant. Once suffering from multiple nodules, it is recommended to go to the hospital for detailed examination and then treatment. It is suggested that patients should eat more foods with immunity enhancement, such as fungus, shiitake mushroom, mushroom, barley, red dates, walnuts, yam and fresh fruits. Avoid smoking, alcohol, fatty and fried foods, and spicy and stimulating foods, such as pepper, chili, onion, cinnamon, etc.