Abstract: At present， the mines in Eastern China are dominated by pressed coal in villages. Due to the shortage of land， mining enterprises are facing some problems， such as the difficulty of coal mining under the village， the long period of village reconstruction after surface stability， and seriously affecting the lives of villagers. Therefore，the idea of local reconstruction of village houses during mining is adopted，the time and area of local reconstruction of houses by the residual deformation of the surface is selected， and the mining space is divided into surface subsidence space， non releasing space， that is， the space occupied by rock fragmentation and expansion， and releasable space from the perspective of spatial transmission and distribution of coal mining. Besides that，the calculation method of residual deformation by combining the model of probability integral method and time function is deduced. Taking Fengfeng mining area as an example， the results show that the proposed calculation method can accurately calculate the time and area of in-situ reconstruction during mining. Compared with rebuilding houses after surface stabilization， the time of building houses during mining is advanced from 4.2 a to 0.5 a， which is 3.7 a earlier， and the time efficiency is improved by 88.1%. The time efficiency of house reconstruction during mining has been greatly improved， which has greatly improved the living environment and quality of local villagers. The research results are useful for the in-situ reconstruction of houses in coal mining under villages in mining areas in China.

Key words: mining subsidence, remaining deformation, dynamic movement and deformation, coal under construction, houses reconstructed on-site