Golden Thangka is called "Sai Tang" in Tibetan, which is polished with two kinds of natural 24K pure gold foil for two or three days, and then painted several times on the Thangka which has been made of a draft, and then used red mineral pigment to hook the lines and open the Buddha, and finally polished on the Thangka with a sharp agate stone. The finished product has a unique artistic charm.
Eighteen Lohan, which evolved from the sixteen. The earliest known Arhats were painted by Zhang Xuan and Guan Xiu in the Five Dynasties. Later, Song Su Dongpo praised the two paintings respectively, and marked the name of Arhat in Guan Xiu's. In addition, in Jinguang Cave at Kailai Peak in Hangzhou, the eighteen arhats carved on the stone bed are also works of the Song Dynasty. After the Yuan Dynasty, the temple hall for more than 18 Arhat, and in the Buddhist community, Arhat like painting and sculpture, but also mainly to 18 Arhat. Thus, the sixteen Arhats were gradually silent, and the eighteen Arhat generation began. Japan's Kamakura Guangming Temple also has 18 arhats. According to the research department of the Southern Song to the Yuan Dynasty period.