Rice-cake soup has been regarded as one of festive dishes for the lunar New Year's Day and a daily dish in all areas of Korea with Pyongyang as its center from olden times.

"Ryolyangsesigi" and "Kyongdojapji", national classics, wrote that Korean ancestors had taken "Pyongthang" (rice-cake soup) as must dish on the lunar New Year's Day and introduced its making method.

How to make rice-cake soup is slightly varied according to regions and ingredients.

The tasty and nutritious rice-cake soup has been widely encouraged under the Workers' Party of Korea's policy for protecting national heritages.