It depends. The height of the classroom ceiling from the classroom floor is about twice the height of adults, so the height of the classroom ceiling from the classroom floor is 3.5 m; The ceiling of the living room should be 2.8-3m；; Stay away from the ground; The ceiling of the food production area should be higher than the ground1.5m..

It depends. The height of the classroom ceiling from the classroom floor is about twice the height of adults, so the height of the classroom ceiling from the classroom floor is 3.5 m; The ceiling of the living room should be 2.8-3m；; Stay away from the ground; The ceiling of the food production area should be higher than the ground1.5m..