《希腊古瓮颂》是济慈脍炙人口的颂诗之一，诗中的“美即真，真即美”观念尤为世人关注和争论不休。本文拟就诗人所主张的美、真以及美与真的关系，结合他的《希腊古瓮颂》、《忧郁颂》及其书信来揭示这个命题的深刻含义，并认为诗人美学思想的核心乃“美即真、真即美”。 “Ode to the Greek urn urn” is one of Keats’s popular odes of praise, the poem’s “beauty is real, so real” concept is of particular concern and controversy. This article intends to reveal the profound meaning of this proposition based on the beauty, truth and beauty and truth advocated by the poet and the profound meaning of this proposition in combination with his “Ode to the Grecian Urn” and the “melancholy praise” and its correspondence, and holds that the core of the poet’s aesthetic thought is “Beauty is real, it is beautiful.”