It is a problem difficult to solve in the world to protect ancient stone carvings from weathering.In this paper,the research state of protecting stone csrvings beaten in the open is summarized and discussed. In the print of seriously weathered stone carvings on the rock wall in the open, some new research method is proposcd, especially, hydrologic- geochemical reaction and weathered rock carvings due to subsidence of rainwater and groundwater permeation.