The word San Shou "三壽" in The Book of Songs and inscription on ancient bronze objects in the Western Zhou Dynasty and Spring and Autumn Period should be interpreted as three times the normal life span according to Klas Bernhard Johannes Karlgren's view. The age of San Shou "三壽" is about between 180 and 300. The meaning of San Shou "三壽" in Yin Gao Zong Wen Yu San Shou in the Bamboo Slips of Tsinghua is different from them.