Negative emotions have many beneficial effects. 1) You can keep in good health. Your body needs to be in harmony with Yin and Yang, and you should always be positive and enjoy it. It will not only consume your physical fitness indefinitely, but also destroy the physiological periodicity of your body. Therefore, being quiet for a while can make your body and mind change the environment and be beneficial to your health. 2) It can reduce risk factors, because positive and happy emotions can make people do some dangerous behaviors, while negative emotions can reduce risk factors. 3) Improve one's ideological realm. People will have a temporary self-enclosed state when they are negative, reduce communication and activities, increase thinking time, explore the truth of events, seek solutions and realize the true meaning of life, thus improving one's ideological realm. 4) Increase your life experience, and often feel the truth and truth in your thinking, which will increase your life experience and prevent delay.