Sinusitis should not eat onions, because onions are spicy and stimulating food, may aggravate the symptoms of sinusitis. Sinusitis patients should eat a light diet, can not eat chili peppers, leeks, onions, garlic, ginger and other spicy and stimulating food, is not conducive to the recovery of the disease, but also cause the symptoms to worsen. Sinusitis patients should also pay attention to avoid smoking, alcohol, coffee, strong tea, carbonated beverages, bacon, salted vegetables, etc., these cured or specially processed fermented food, will lead to the body’s secretion of the exuberant, resulting in sinusitis symptoms aggravated, especially the smell of these foods will stimulate the nasal mucosa, affecting the normal respiratory function.