In the process of decades continuous reform，Tianjin Civil Affairs Department offers several branding services to implement green and civilized concepts and practices of funeral and interment.One of these services，now“Clean the air campaign”，which practice the urban civilization by collective sacrifice，has been hold in the period of tomb-sweeping days annually for 12 years.The collective tomb-sweeping service provide a civilized，environmental，and convenient way for memorial activities.And the ritual itself is breaking the limitation of time and space via new media.This article attempt to describe the short history and practical experience of collective sacrifice in Tianjin，find the main changes in the past decade，and explore the potential for nationwide promotion of the civilized tomb-sweeping service.