Thơ Đường luật is a traditional form of Vietnamese poetry that originated from the Tang Dynasty in China. It follows strict rules regarding structure, tone, and rhyme, typically consisting of eight lines with a specific syllable count. Each line usually contains seven syllables, creating a rhythmic and melodic quality. This poetic form emphasizes themes such as nature, love, and philosophical reflections. Poets often use vivid imagery and metaphors to convey deep emotions and thoughts. Notable poets of thơ Đường luật include Bà Huyện Thanh Quan and Nguyễn Du, who have contributed significantly to its rich literary heritage.