Why is Ai Qing called a piper poet?

Poetry works have unique style and connotation.

Based on realism, it absorbed new elements of symbolism painting and poetry and formed a unique style. Pay attention to the nation, society and times, and explore the inner world of mankind. The image of reed flute is often used to express thoughts and feelings about real life and human destiny. This unique way of expression makes poetry have distinct personality and unique artistic style. His poems have played an important role in promoting the development and progress of modern poetry in China, and he is known as the piper poet.