The invention discloses an identity identification system and a method based on image and somatosensory analysis. The system comprises a data acquisition module, a data analysis center and a security dispatching center connected in sequence, wherein the data acquisition module is used for acquiring face images and body actions in a security area; the data analysis center is used for analyzing the face images, expressions and the body actions; and the security dispatching center is used for carrying out security dispatching according to a result obtained through analysis of the data analysis center. According to the identity identification system and the method based on image and somatosensory analysis, whether a person in the security area enters illegally is judged through the face image, and security dispatching measures are taken; expression analysis is carried out on a legally-entering person; and when an abnormal expression is analyzed and obtained, a body action is further analyzed, and a more accurate basis is provided for judgment of hidden safety dangers.