Pyochug Bi (3.8m), established by King Young-Jo of Joseon Dynasty in 1742, is located in the midst of Hongje Temple in Milyang, Gyeongsangnamdo to commemorate the feats and loyalty of Samyeong Daesa (great master). The monument first started perspiring a week before Gabo Reform on July 22nd 1894 after 152 years of its establishment, and 63 cases of perspiration have been reported ever since. The quantity of perspiration is tremendous. The nearby locals also call it Hanchul Bi (Sweating Stele). It is reported that it has perspired before or after good or bad national events, some of which amounted to 131.5L. The residents interpret - and believe that - as Master Samyeong’s perspiration through his supernatural powers out of his worries about the country and safety of its people. The media have also reported so over several decades. However, there still remains a question. Is the perspiration a natural phenomenon? Or else, as claimed by the residents, is it a supernatural phenomenon through Samyeong’s supernatural power? Also, it is also unanswered why on earth it always perspires around the time of domestically significant events. In Chapter 1, we present a problem and the purpose of the study, as well as its extent and methods.