Phra That means a relic of the Buddha. A relic may be a bone,a tooth,a piece of hair, or anything from the body. Each thing is regarded as holy. In general, most people think that Phra That is a pagoda or a stupa for containing relics of the Buddha or a high-ranking monk or a royal person. Here in this taie, Phra That refers to the stupa containing(bones) of a mother who was killed by her own hungry son.