According to the inquiry of Shencaotang Health Network, red bodhi is the seed of red beans. Red beans belong to small deciduous trees in Leguminosae, with a height of 5- 10m. The shoots are puberulent, the seeds are nearly round to oval, 5-8 mm long and 4.5-7 mm wide, bright red and shiny.

This kind of seed is hard as iron, bright as blood, red and shiny, and its color is crystal clear and will never fade. Its appearance looks like a beating heart, and there is a heart-shaped curve in it, and it is heart-shaped. Therefore, people in Singapore and other countries call it red bodhi, also known as blood bodhi.