One kind removing aldehyde packet structure-improved, is espespecially used for the long-acting ordor removing formaldehyde of confined space comprising: one, which breathes freely, coats bag, and equipped with an accommodating space in the ventilative cladding bag, which, which extends, is equipped with a rising wood； Plural number removes aldehyde unit, which sets in ventilative cladding its accommodating space of bag of what except aldehyde unary system. The plural number removes aldehyde unit； system is to have further included urea (carbamide), chitin (chitosan), activated carbon (activated charcoal), aminated compounds (amine), tea extraction object (tea extracts) with the particle or powder for removing aldehyde effect. Another ventilative cladding bag is equipped with one and provides the marking part of use date mark. Cladding of breathing freely again bag, which which is provided with, provides at least one perforation of hanging. Thereby structure can will be equipped with plural number except aldehyde unit in ventilative cladding its accommodating space of bag what for having accommodating space, and be set in what confined space, remove or alleviate into up to by formaldehyde.一種除醛包改良結構，尤指針對密閉空間長效淨味甲醛之用，其包括：一透氣包覆袋，該透氣包覆袋內設有一容置空間，該透氣包覆袋其一端延伸設有一上緣部；複數除醛單元，該複數除醛單元係設於透氣包覆袋其容置空間內。該複數除醛單元，係為具有除醛作用之顆粒或粉末，其更包含有尿素(carbamide)、甲殼素(chitosan)、活性碳(activated charcoal)、胺類化合物(amine)、茶葉萃取物(tea extracts)。另透氣包覆袋上設有一提供使用日期標示之標示部。又透氣包覆袋其上設有提供吊掛之至少一穿孔。藉此結構，能將具容置空間之透氣包覆袋於其容置空間內設有複數除醛單元，並將其置於密閉空間內，進達將甲醛去除或緩解。
