1. The liver is the most important organ for metabolism and detoxification. Various substances absorbed by human gastrointestinal tract, including nutrients and toxins, enter the liver through the vascular system of gastrointestinal tract and portal vein of liver for decomposition, synthesis and detoxification.

2. Because the liver is the only organ without pain nerves, no matter how tired it is, it never groans or screams, which is also the fundamental reason why people often ignore its health. This is why liver cancer, once found, is the cause of advanced stage.

3. The liver is actually a very important organ, which is responsible for detoxification and metabolism of sugar, fat and protein, as well as most metabolism of human body and transformation of toxic substances. So it is also the most easily polluted organ.

Nowadays, many people tend to pay more attention to massage and fitness. Some people will hear that the liver meridian and gallbladder meridian are the main veins of the human body, so they will massage and knock, but it should be noted that the liver meridian and gallbladder meridian can not be knocked casually at ordinary times. If you knock at the wrong position or use too much force, there may be opposite side effects, which will do great harm to our health, so you must pay attention to it in peacetime.