推荐回答（1个）
因为跳蚤是寄生性吸血害虫,一般产在寄主身上，因蚤卵无粘性，容易从寄主身上落到地面，于是在地面孵化经过两次蜕皮后，吐丝、作茧、化蛹。羽化后的成虫又跳到各种寄主身上。
彻底清扫卫生，不留卫生死角。
把脏衣服、被套、床单、枕巾、毛巾等彻底清洗，拿到太阳光下晾晒。
把被子、褥子、枕头拿到太阳下晾晒。
生活垃圾及时清理，不要存放过夜。
看看床下、墙角、屋顶的角落里，有没有虫窝，如果有，就用水泥彻底抹平堵死。
确定没有虫窝、把室内打扫清洗干净后，喷洒净威灵灭虫，关闭门窗，熏闷半天后，开窗通风。
今后保持良好的卫生习惯。
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