The biggest feeling of dry syndrome patients is dryness of mouth, eyes and skin. For the dryness problem, diet must do the following: 1. Quit smoking and alcohol, both smoking and alcohol will cause certain stimulation to the respiratory tract and esophagus; 2. Eat more nourishing and moistening foods, more vegetables and fruits, such as loofah, winter melon, watermelon, citrus, millet, barley, yam, lotus root, etc.; 3. Do not eat fatty, sweet and greasy foods, such as fatty meat, bacon, sausage, and do not eat spicy and stimulating foods, such as chili, pepper, onion, ginger, garlic, etc. For example, chili, pepper, onion and ginger, minced garlic, etc. For patients with dry syndrome, repeatedly emphasize on nourishing Yin and moistening dryness in diet, while keeping the mouth and eyes clean and hygienic, brushing teeth regularly, using artificial tears, etc.