The Lotus Sutra, written by temple founder Rev Master Hui Yan using his own blood as ink, was previously preserved and kept out of public viewing since World War II.
It was hidden then due to fears it would be destroyed during the Japanese Occupation.
Rev Master Hui Yan, who spent two decades in the temple, took two years to finish writing the text.
Sin Chew Daily reported that the Lotus Sutra was finally brought out on Sunday and devotees gathered since dawn to prostrate before the text, which contained Buddha teachings on wisdom.
?The temple is a place for anyone seeking dharma. It is not a tourist spot,? said Master Wen Zhi of the 100-year-old temple.
?We will organise activities for devotees so that they can find a place to de-stress themselves from a hectic lifestyle,? he added.