Willow wadding, willow seeds, white fluffy, light as flakes with the wind so called willow wadding. In spring, many trees have not yet recovered, Yang and willow have already sprouted. “Willow”, “spring breeze willow thousands”, “across the stream willow weak curls, just like fifteen girls waist”, poets Yang and willow with the spring light associated, but also compared it to the shapely The poets associated the willow with springtime and compared it to a graceful maiden. The reason why “the flowers do not bloom without any intention” is because of its fast forest formation, strong habitability, and high survival rate. Once made a certain contribution to the greening. There are many poems about willow and willow wadding: Jasper makeup into a tree high, ten thousand hanging down the green silk sash, I do not know who cut out the fine leaves, February spring wind like scissors. I don’t know who cut the fine leaves, but the spring breeze in February is like scissors. Yu Shougou’s poem “Spring Day” from the Southern Dynasty: “Peach red and willow wadding white, shining in the sun and following the wind.” Song Su Shi: “The pear blossoms are pale white and the willows are deep green, and the city is full of flowers when the willow waddles fly.” In spring, flowers fly everywhere in the city, and the east wind of the cold eclipse makes the willows slant. If the east wind doesn’t come, the willows won’t fly in March. The willows fly up to the sky for a long time. The snow flies down from the sky, the willow flakes fly up to the sky. Every spring and summer, the air is fluttering with willow flakes, which are like snow that does not melt, flying with the wind in the streets and alleys, forming a spring sunny and snowy scene. But flying willow flakes also bring inconvenience to people’s lives, due to poplar, willow flotsam caused by asthma, allergies, eye disease patients increased significantly in recent years, many cities no longer green willow as the first choice of tree species. Allergic citizens must go out armed, wearing masks, long-sleeved clothes. Allergies caused by willow flakes occur mainly in the respiratory tract. Willow wadding is inhaled into the nasal cavity, will cause strong irritation, sneezing, sneezing, coughing and asthma and other reactions, the skin will also appear allergic reactions, such as itchy skin, conjunctiva redness, etc., and serious will also affect sleep. Prevention of willow allergy: 1, appropriate to eat vegetables, fruits, but to eat less wild vegetables such as ash, snow, lettuce, capers, asparagus, etc.; 2, avoid eating fish, shrimp, crab, snails, mussels and other hairy things; 3, in the season of willow flakes, allergic to the person who goes out the best “armed” with a nose and mouth mask, long-sleeved clothes, isolation allergens; 4, willow flakes Willow flakes can induce allergic rhinitis, asthma, preventive use of sprays or oral anti-allergy drugs; 5, allergies, prevention is more important than treatment. Should pay attention to life and living, do not be too fatigue, rest and sleep well, to maintain the body’s normal immunity.