“文房四宝”的保养还必须要有大环境条件,也就是室内条件和室外周边条件。作为家庭个人收藏,藏物的房间一定要远离厨房。因为煮食后的煤烟有大量亚硫酸气体,这种气体和空气中的水分相结合,形成亚硫酸,最后形成硫酸,“文房四宝”中的任何一样,都会因此而遭到破坏。“文房四宝”同样都怕尘土污染,还应定 “Four treasures ” maintenance must also have the major environmental conditions, that is, indoor conditions and outdoor conditions. As a family personal collection, possession of the room must be far from the kitchen. Because the soot after cooking has a large amount of sulphurous gas, this gas combines with the moisture in the air to form sulphurous acid and eventually sulfuric acid. Any of the four treasures of the house will be destroyed. “Four treasures ” are also afraid of dust pollution, but also set