蔡京在北宋徽宗朝先后四次拜相,把持朝政长达十七年,名列“六贼”之首,《宋史》将其列入《奸臣传》。蔡京书法因政治上的恶名为世耻藏,传世极少,更罕有学者关注。《节夫帖》、《宫使帖》是蔡京传世作品中仅见的两通书札,皆藏于台北故宫博物院。本篇考证《节夫帖》书写时间及所述事件原委,并对《宫使帖》的真伪提出质疑。 Cai Jing in the Northern Song Dynasty emperor Huizong successively four times, holding the DPRK for 17 years, ranked “Six Thieves” first, “Song History” will be included in the “Traitor Biography.” Cai Jing calligraphy because of political infamy for the world hide possession, handed down very few, more rare scholar attention. “Fudan Tie”, “Gong Mi Tie” is only seen in the works of Cai Jing handed down two books, all hidden in the National Palace Museum in Taipei. The textual research “knot husband” writing time and the story of the incident, and “Miyazaki post” questioned the authenticity.