The utility model discloses an unilateral leans on floor movement joint configuration of wall, including the structure floor, set up in the engineering wall body of structure floor one side and set up in the floor surface course of structure floor top the structure floor with be provided with the angle steel between the floor surface course the angle steel upper berth is equipped with the steel sheet the steel sheet upper berth is equipped with the concrete mortar protective layer the engineering wall body with the position department that the structure floor flushed has offered and has been used for the holding the steel sheet with the recess of concrete mortar protective layer, the recess inboard be provided with with the steel sheet with the angle steel of the tip butt of concrete mortar protective layer, fill in the recess outside has soft expanded polyethylene strip. The utility model discloses both can prevent chronicly and material degraded phenomenon that lead to can effectually play energy -concerving and environment -protective effect again.