餐饮业油烟污染一直以来是严重困扰城市居民生活的问题。特别是近年来随着经济的发展，城市内高楼耸立，原先在平房内开设的饮食业由于旧城改造不得不迁移至高层建筑底层，油烟影响面也扩大至整幢（甚至包括周围的）居民楼。经统计，以杭州为例，因餐饮业抽烟问题的投诉已占所 Cooking fumes Pollution has always been a serious problem plaguing the lives of urban residents. In particular, with the economic development in recent years, the towering high rises in the city, the catering industry originally built in the bungalows have to be relocated to the ground floor of the high buildings due to the renovation of the old city, and the soot effect has also been extended to the whole building (and even the surrounding residents’ buildings) . According to the statistics, taking Hangzhou as an example, complaints about smoking in the catering industry have been taken up