the author described about the computer system. and the author wrote about Dr. Huang realies on the work of pshychologist, such as Dr. Paul Eckman, creator of FACS (Facial Action Coding System). and Dr. Paul has classified six basic emotions-happiness, suprise, anger, disgust, fear, and sadness-and then associated each with characteristic movements of the facial muscles. the author wrote the fact of human. "For istance, you can probably tell how a friend feeling simply by the look on her face". and Dr. Huang observes that artists such as da Vinci studied human anatomy to thelp them paint facial muscles precisenly enough to convey specific emotions. His new computer software stores similiar anatomical information as electronic code. The Mona Lisa demonstration is really intended to bring a smile to your face, while it shows just how much this computer can do. And the author wrote the definition and some examples of how imagne a computer can describes human feelings. The last thing is the Theory of Emotion, moving your facial muscles not only expresses emotions, but also may even help produce them, Whoever thought that making faces could reveal so much about the science of emotions!