In recent years, fatty liver is seriously threatening people’s health. It has been reported that the incidence of fatty liver has increased 50 times compared to 5 years ago, and it is getting younger, and the incidence of fatty liver in children is also significantly higher. At present, the detection rate of fatty liver is the highest in the health check-ups of some large hospitals, accounting for nearly half of the examined population on average. Fatty liver can not only lead to steatohepatitis, fatty liver fibrosis or fatty cirrhosis, but also to liver cancer; at the same time, patients with fatty liver are very prone to complications such as diabetes, hyperlipidemia, hypertension, coronary heart disease and cerebrovascular disease, which can cause great harm to the human body. People at risk for fatty liver include: obese people, diabetics, alcoholics and alcoholics, hyperlipidemia, long-term users of liver-damaging drugs, individuals with a family history of obesity, diabetes and fatty liver, subhealthy people with frequent insomnia, fatigue, computer games, late nights, inactivity, gastrointestinal dysfunction, chronic disease and nutritional imbalance.