The custom of flower garlands and coloured lanterns has been popular for a long time in the history of East Asian countries. In particular, Vietnam, China, Thailand and Taiwan are places that still keep the most popular custom. Originally sign flower means flower lamp. The lantern festival is a turning light festival. In it, the candles were decorated with beautiful flower lamps. The flowers are lit up for different cultural and spiritual purposes. This contains a long-standing spiritual and cultural value of the Vietnamese people. Therefore, it is often used during major holidays