In general, patients with pleural effusion need to avoid spicy and stimulating food, but there is no absolute food that can not be eaten. The cause of pleural effusion is related to the increase of vascular permeability caused by tuberculosis, pneumonia, malignant tumors and other diseases, the increase of vascular hydrostatic pressure caused by congestive heart failure, constrictive pericarditis and other diseases, the obstruction of lymphatic reflux, traumas and other reasons, which is not related to the food, so there is no food that the patient can’t eat. Pleural effusion may be caused by systemic diseases or certain diseases in the chest, so patients try to maintain a light diet, according to the physical condition of more food rich in high protein, vitamins, try not to eat too spicy and other stimulating foods, it is best to quit smoking and alcohol. It is recommended that patients with pleural effusion should seek medical treatment as soon as possible and under the guidance of a professional doctor.