Origin of old Taishan: Under the persuasion of the chancellor Zhang Shuo, Tang Xuanzong went to Taishan to seal Zen, bi, Zhang said that he took the opportunity to promote Zheng Yi, the son-in-law of the Jiupin minor official, to Wupin and give him a crimson imperial dress. Xuanzong feasted

The origin of old Tarzan:

Under the persuasion of the chancellor Zhang Shuo, Tang Xuanzong went to Mount Taishan to seal Zen, and Bi, Zhang said that he took the opportunity to promote Zheng Yi, the son-in-law of the Jiupin Minor Official, to Wupin and give him a crimson imperial dress. When Emperor Xuanzong feasted on his courtiers, he saw Zheng Yi wearing a five-pin imperial dress, so he asked Zheng Yi why he rose so quickly, and Zheng Yi was red in the face and speechless. A dramatist on the side sneered, "This is all the credit of Tarzan!" A pun, one is to take advantage of the Taishan sealing Zen to be promoted, the other is to rely on the power of the father-in-law Zhang said to be promoted to the fourth level in a row, since then people have called the father-in-law "Old Taishan".