Long-term improper diet, frequent eating of cold fruits, irregular living habits, invasion of exogenous pathogens, cold gradually accumulating in the body, imbalance of yin and yang, decreased gallbladder contraction function, decreased bile secretion, and food staying in the stomach for too long will increase the heart load, and the interaction between the heart and the small intestine will provide energy for the transformation of the small intestine, so there will be chest tightness, shortness of breath and irritability. In addition, bravery is the official of righteousness, which is easy to produce bad bravery.