Facial micro-expressions (FMEs) are involuntary facial movements that occur spontaneously when a person experiences an emotion but tries to suppress or repress the facial expression and usually occur in high-risk situations. Thus, FMEs are very short in duration, an important feature that distinguishes them from ordinary facial expressions. And MEs are considered to be one of the most valuable cues for complex human emotion understanding and lie detection. Since 2014, the computational analysis and automation of MEs have been an emerging area of face research. The workshop will explore various dimensions of the human mind through emotion understanding and FME analysis, as well as extended research based on multi modal approaches.