The Qing Dynasty was the most prosperous period of Huainan's salt industry, and it was also the time when the educational buildings in the salt district achieved greater development. Not only has the total number of educational buildings increased, but the proportion of higher education buildings in the total number of educational buildings has also gradually increased. This article uses the historical document analysis method to study the literatures of the Qing Dynasty, such as "Lianghuai Salt Law" and "Local History". Taking the time development as the vertical axis, the development and evolution of the educational buildings in the salt district is studied, and the geographical scope is the horizontal axis, the site selection and layout of the educational buildings in the salt district are studied. And on this basis, the relationship between the development of educational buildings and the evolution of the overall spatial form of the salt settlements has been established, in order to fill the gaps in academic research on educational buildings in the Huainan Salt District.