Spring in April day, air temperature goes tall gradually, beijing ave is off-street all over the sky of Yang Xuliu garrulous flutters, a lot of people wore guaze mask, glasses, "Fully armed " the ground avoids these white small " snowflake " . The Yang Xuliu garrulous that flutter one not careful fly possibly into eye and mouth, let a person can't bear its faze. The expert points out, yang Xuliu garrulous is not big to ordinary people noise, but allergic to Yang Xuliu garrulous person, good preventive measure should be made when going out, cause respiratory tract and skin allergy in case. The graph is a capital " waved in April snow " , the citizen wears guaze mask to be in " snowflake " in the travel before hardship. Female poplar needs to rely on hearsay to sow a seed, namely all over the sky flutters poplar garrulous. The allergy since Yang Xuyin basically happens in the upper respiratory tract and skin allergy. Skin allergy is the skin is after osculatory poplar garrulous, appear easily skin Sao urticant, erythema even the phenomenon such as oedema. And allergy of the upper respiratory tract is by rhinal and inspiratory flying catkins, cause bazoo the urticant, symptom that sheds a series of similar colds such as tears, cough. The Yang Xuzhong that the graph flutters in all over the sky for the citizen rides row. Return Sao of meeting occurrence skin urticant, eye is red, strange urticant wait for allergic reaction, breathe occurrence oedema, hyperaemia even, cause irritability rhinitis and asthma. What need reminds is, old person, child and itself have the patient of respiratory tract disease, often be opposite poplar the reaction of garrulous is particularly strong, need to father add be on guard. The Yang Xuman day of Beijing street flutters, the people goes to should be strengthened all right defend. In poplar garrulous waves the season that fly, the person of allergic constitution is best as far as possible little go out. If must go out, also want to wear guaze mask and glasses, scarf, put on long sleeve to wait try to defend. Little elder brother sells to be in outside sending " snowflake " in before row, in white Yang Xuzai wind flying. Air temperature picks up, beijing street hikes up poplar garrulous, occasion is like snowflake. All over the sky of garrulous of Beijing street poplar flutters, a car is in by poplar garrulous is surrounded. The citizen wears guaze mask to ride in Yang Xuzhong row. Female poplar needs to rely on hearsay to sow a seed, namely all over the sky flutters poplar garrulous, should birth control.