Steam humidifier is useful in current and the next dry seasons in our country. Shin and Mei-Shun have ever put one in their bedroom. The first was in pastel green, shape of a drop, diligently served for the longest 17 years. The second looked like a big chestnut, worked also as an aroma diffuser. However, he recently woke up catching strange smell from it. She therefore picked up following cloud to be the third.