Preventing dust pollution is mainly to protect the respiratory system and nasal mucosa. Foods that moisten the lungs and increase the immune ability of the respiratory system, such as pig blood, pears, white radish, tremella, yam, lily, mung bean, etc. , all have a certain role in moistening the lungs, which is helpful to the discharge of dust pollutants.

Principles of diet conditioning to prevent pneumoconiosis;

1, eat more pig blood and black fungus, which is a traditional dust-proof health food in China. Folk call pig blood "washing the stomach". The plasma protein of pig blood, after being decomposed by enzymes in human gastric acid and digestive juice, can produce a substance that can detoxify and smooth intestines, which reacts with dust entering the human body and is discharged from the body with waste; Auricularia auricula has a special function of helping to digest fibrous substances.

2. Increase the intake of vitamin A. Vitamin A can maintain the health of epithelial tissues, especially respiratory epithelial tissues, which is conducive to relieving cough symptoms and preventing asthma. Vitamin A is the most abundant in animal foods, especially in liver, kidney, egg yolk and cream.

3. Eat more fresh vegetables and fruits to prevent vitamin deficiency and enhance skin resistance.

4. Eat more milk, soybean milk, egg soup, lean meat, radish, walnut kernel, honey, pear, fungus and other foods, which not only has high nutritional value, but also is conducive to the smooth discharge of dust in the body.