This should be considered from many aspects, on the one hand, eat more lung-moistening foods, such as peanuts and Sydney, on the other hand, breathe air quality, visit parks and botanical gardens, do more aerobic exercise and breathe in them. On the other hand, air purifiers are rarely used, things with pungent smell, newly renovated houses, and attention should be paid to indoor ventilation. . . Usually pay more attention to details.