What are emotions? By showing the colorful wheel of emotions, both positive and negative emotions are colorful and emotions are a primitive psychological response. Like humans, animals are equipped to express emotions. What is the function of emotions? Through emotions, we express our views and needs, either intense or subdued; we regulate our physical and mental states, either positively or negatively. The anxiety caused by moderate stress makes us perform better in the face of challenges; however, excessive stress values can deplete the body and mind. If we are unable to adjust our negative emotions well, then our ability and mindset will be greatly affected. How to be the master of emotions? 1, we need to understand how emotions are created; 2, to become aware of the meaning and the need behind our emotions; 3, we adopt scientific emotion regulation strategies to cope with our emotions. What emotion regulation strategies are there? 1, re-evaluate: look at things from a different perspective and change your mind; 2, accept and keep distance: not passively accept, but learn to get along with negative emotions and look at your emotions with the mindset of a bystander; 3, change actions: get enough sleep and regular exercise, do things that interest you, and go to socialize in a crowd can bring us positive energy.