"Long-time sight hurts liver, and long-time sitting hurts bone." The group of people who use computers often sit in front of computers with their eyes staring at the display. If they keep doing this for a long time, they will experience symptoms such as dizziness and headache. If the liver energy is not comfortable, the overall blood and energy circulation of the body will be disordered, which can lead to diseases such as high blood pressure and digestive system disorders. Women may also experience irregular menstruation. Therefore, for the computer-using crowd, health preservation should start with "nourishing the liver."