Lung nodules do not need to drink more water, just a normal amount of water. Lung nodules can be caused by a variety of factors, such as recent infections, occupational dust inhalation, inflammation, local tissue proliferation, hemangiomas, early malignant tumors, etc. The treatment of lung nodules needs to be tailored to the cause of the lung nodules. If the lung nodules are caused by fungal infections, they need antifungal treatment; tuberculosis-infected nodules need anti-tuberculosis treatment; and the causes of most nodules are not easy to identify and they need to be reviewed and followed up on a regular basis. Drinking water will not intervene or cure pulmonary nodules. Drinking water appropriately can promote the metabolism of the body, but drinking too much water or too little water will not do any good to the body. It is recommended that patients with pulmonary nodules seek medical advice and treatment under the guidance of a medical professional or regular follow-up.