There used to be a custom of beating ghosts with red beans to cope with disease; according to legend, a young man in the Western Jin Dynasty was lazy and later changed his ways; Laha congee also represents good health and good luck, and large families or temples would cook congee and distribute it to the poor.

Lapa Festival, that is, the eighth day of the twelfth month of the lunar calendar every year, also known as the "Dharma Treasure Festival," "Buddha into a festival," "into a festival," and so on. This is a Buddhist festival to commemorate the completion of Shakyamuni Buddha, and then gradually also become a folk festival. Laha congee, also known as "seven treasures and five flavors congee", "Buddha congee", "everyone's rice", etc., is a kind of congee made from a variety of ingredients. The earliest written record of Lapa congee was in the Song Dynasty. The Southern Song Dynasty Wu Zimu "Meng Liang Record": "The eighth day of this month, the temple is called Laha. Dasha and other temples, all set up five-flavored porridge, the name is Laha congee." China's history of drinking congee on the eighth day of the month, has been more than a thousand years. Every Laha this day, whether it is the imperial government, monasteries or the people's homes to do Laha congee. By the Qing Dynasty, the custom of drinking Laha congee was even more prevalent.