This is a poem written by Li Zhi, a writer of Ming Dynasty. This poem mainly expresses the author's incomparable happiness after receiving a letter from his good friend Jiao Weak Hou in the mountains, and at the same time laments the preciousness and greatness of his bosom friend. In this poem, the author expresses his deep gratitude for friendship and praise for natural scenery by describing his contact with Jiao Weak Hou in the mountains. In a word, Feeling Weak in the Mountains is a very famous poem by Li Zhi, which represents the author's deep thinking and understanding of friendship, nature and life, and also reflects some important thoughts and styles in Ming literature.