2、cationsofengineeringsurveyinhousingconstructionareintroducedinthispaper.Thensomefrequentlyusedengineeringsurveys,suchascontrolsurvey,engineeringlofting,building elevation measurements,verticalmeasurement, deformationmeasurementareshowtheirprinciplesandmethods.And,weelaboratetheintroduction tous