The overall pattern of decoration must be clear. This later period is not easy to change, and random changes directly affect the decoration effect and cost waste. Whether the integral doors and windows can still meet the use of subsequent time, decide whether to replace them. Generally, it is best to replace all the water and electricity and do it again to ensure the safety of life in the future. Carefully check whether the wall and roof are cracked, whether the cement layer on the wall is aging and falling off, and consider whether it is necessary to make reinforcement again.