Under the condition of" Pan-pearl River Delta", because of the coordination between Yunnan and Guangdong standing Pearl River Basin, the complementarity of industrial economy and the superiority of cooperation environment, two provinces had a cooperational necessity.
Therefore, positive interaction between law duty and moral duty will come true through promoting cooperation and reducing conflict with each other, which may make both of them achieve harmony and complementarity, so as to reduce the cost of sustaining social stability.