“Buy the casket without the jewels” or “Buy the casket with the jewels”？——On the comparative analysis of economic value produced by different development methods of industrial building remains

With the continuous development and expansion of the city, the industrial center of the city has gradually shifted to the emerging industrial area or the outskirts. The industrial building remains that were originally located in the city center have been left behind. The development of the site often adopts the development method of "buy the casket without the jewels ", while the development method of "buy the casket with the jewels "is few, and which development method is more valuable.Taking Laolongkou distillery as an example, this paper makes a comparative analysis in order to provide reference for the site development of industrial building remains.