Gi-Zi Bai (772~ 846), was a great poet of Mid-Tan Dynasty. His poems was very easy and popular. So his poems were known to the adults and children. His poems were altogether two thousand and eight hundred. He had the most poems of all famous poets of Mid-Tan Dynasty. He was called 「Unorthodox style of poetry-writing 」His poems, have goal, wisdom, and true feeling. He was concerned about the politics of the country or directly criticizing the politics .His poetry is the true description of the society and expressing the true cocern of the people. Reading it and then we should be moved. The composition includes one hundred poems of being concerned about the Mid-Tan Dynasty of Gi-Zi Bai’s poems, are my research field. The content of the composition, includes four points. the introduction, abstract about Gi-Zi Bai’s background, and being concerned about People of Mid-Tan Dynasty of Gi-Zi Bai’s Poems, and conclusion. About being concerned about People of Mid-Tan Dynasty of Gi-Zi Bai’s Poems are the focus of my research Center. The composition, includes Criticizing ranking officials who have money and power, taking a pity or sorrow of people, Sighing about falling in the men of ability. Criticizing the wild soldiers who have so much power and have no abilities. Suggestting about national or political things. Discribing about the sorrow feeling in the country. War and no agreeing about the war. Writing and encouraging higher ambition and hard-working in military service. The successful workings of ranking officials