The embodiment of the invention discloses a user state adjusting method and device based on a desk lamp. The method comprises the following steps of: acquiring image information of a user in the process of using a desk lamp through an image acquisition device preset on the desk lamp; and extracting face feature information of the user from the image information, determining a current state type ofthe user in the process of using the desk lamp according to the face feature information, and controlling the desk lamp to execute a corresponding state adjustment prompting operation according to the current state type. By the adoption of the user state adjusting method based on the desk lamp, the extracted face features of the user can be accurately analyzed through the image analysis technology, the accuracy of current state judgment of the user is improved, and therefore the user is reminded in time to adjust the sitting posture and improve the attention.