Even Inou Yoshinori, an anthropologist who comes all the way from Japan, had this to say when he saw how many shih-kan-tang stones there are on Penghu: "According to long-established custom, the islanders on Penghu have feared the destruction caused by strong winds and blamed it on evil forces. To overcome those forces they have to set up a series of shih-kan-tang stones around the island ....
甚至連遠從日本來研究的人類學者伊能嘉矩，在看到澎湖石敢當特多時，都說：「澎湖的習俗，自古以來，島民恐懼強風帶來的飛沙走石，而將之歸於是種煞氣。於是在島上各鄉鎮的路頭建立石敢當，以為調伏。