Compares the Chinese and American time idea from the cultural science angle,May see the Chinese tradition the time idea not only is linear time idea also is the cycle time idea,By cycle time idea primarily,But US then is the linear time idea;In time orientation,China takes the history,Had the past the time orientation,US will take the future,Will have the future the time orientation;When time,with and is punctual in custom,China belongs many to the time custom,US belongs to the unidirectional time custom Compares the Chinese and American time idea from the cultural science angle,May see the Chinese tradition the time idea not only is linear time idea also is the cycle time idea,By cycle time idea primarily,But US then is the linear time idea;In time orientation,China takes the history,Had the past the time orientation,US will take the future,Will have the future the time orientation;When time,with and is punctual in custom,China belongs many to the time custom,US belongs to the unidirectional time custom