Schubert's trout poem was a short lyric poem he had created. It mainly depicted a trout swimming freely at the bottom of the sea and its pursuit of the ocean and freedom. The meaning of this poem was to express the desire and pursuit of human beings for freedom and independence by vividly describing the freedom and freedom of trout. At the same time, this trout poem also reflected the current situation of the society at that time, especially in the context of the accelerated development of industrialization and urban development, people's gradual pursuit and desire for the natural environment and free life had a certain practical significance. Schubert's trout poem had a certain relationship with the social situation at that time. In the 19th century, the development of industrialisation and urban development was rapidly changing people's lifestyle and social structure. Trout, a creature that lived in the natural environment, began to be produced by humans and became a kind of artificial breeding creature. This kind of human intervention and destruction of nature also triggered people to reconsider and pursue the natural environment and free life. Realistic meaning and extended meaning: From a practical point of view, Schubert's trout poem could inspire people's pursuit of freedom and independence and encourage people to bravely pursue their dreams and freedom. At the same time, this trout poem could also trigger people's reflection on environmental pollution and industrial production, reminding people to cherish the natural environment and respect the laws of nature. In a sense, Schubert's trout poem could also be regarded as a reflection of the social reality of the 19th century. In that era, the development of industrialization and urban development was profoundly changing people's lifestyle and social structure. Trout, a creature that lived in the natural environment, also became a symbol of people's pursuit and yearning for freedom and independence. Therefore, this trout poem could also be regarded as a reflection and reflection of the social reality at that time.