Discussion on the Reasons of the Harmonious Development of China and Korea's Relations during the Qianlong Period

After Korea became the Qing Dynasty's tributary,Qing government showed great sincerity to Korea,and actively promote the moral foreign policy that the Confucian advocated,and successfully resolved the issue of Korean both respecting Ming and serving the Qing Dynasty.To a large extent,it relaxed Korea's hostile psychology and gradually gained Korea's respect and trust.In the Qianlong period,the fact of the Qing Dynasty moving toward prosperity made Korea have to re-recognize its relations with China,thereby return to the serving stand of the traditional diplomacy.