For example, let's look at Qu Yuan's poem Huai Sha. Huai Sha is full of enthusiasm and lush vegetation. Sadness is always sadness, gurgling in the south. It's embarrassing. Kong Jing is very humorous. Stagnation is embarrassing, long bow is long. Affection is effective, but injustice is self-repression. Take the poet Du Fu's poems as an example to prove this point: Like all feudal literati, Du Fu is no exception, and he has great ambitions. It is his good wish to be loyal to the monarch and then change the customs.