Healthy eating behavior is the most important guarantee of good health and quality of life. Many friends pay attention to the variety of dishes and the taste of dishes but neglect the most important daily eating behavior. Unhealthy eating behavior causes the occurrence and development of obesity, gastrointestinal diseases, hyperglycemia, hypertension, hyperlipidemia and other diseases. Extremely affect the quality of life and health of the people’s friends. Three meals a day is a prerequisite, eat a good breakfast, a full lunch and a small dinner. This proverb has been circulating among the people for many years. Breakfast eat well because people’s morning work and study tasks are relatively heavy, brain activity requires sufficient energy and nutrition, brain cells are not enough energy supply, easy to fatigue, low blood sugar, emotional instability and other phenomena. At the same time, because of the night stomach secretion of gastric acid if there is no food to neutralize, will stimulate the gastric mucosa and lead to stomach discomfort, and in the long run can cause gastrointestinal diseases. Lunch should be rich in variety, cereals, vegetables, meat, soy products with food to ensure quality. Dinner should not be too greasy and excessive, because high-fat food will prolong the digestion time seriously affect the quality of sleep, while high-fat, high-protein food will increase the risk of atherosclerosis, hypertension, coronary heart disease, obesity. In all age groups, there is the phenomenon of picky and partial eating, in fact, this phenomenon has laid a hidden health hazard to our body. Long-term consumption of a particular food or several foods can cause nutrient intake incomplete and nutritional imbalance problems. For example, many children like to eat fried and high-sugar snacks, seriously affecting the meal eating situation. Long-term such eating habits will cause obesity and mouth ulcers and other diseases. Do not overeat, people usually eat three meals a day, regular quantitative meals and the digestive system has formed a rule to adapt to it, if a sudden change in eating habits, excessive intake of food or drink, will cause increased pressure in the stomach can cause acute gastric dilatation and also increase the burden on the digestive glands such as the pancreas to increase the risk of acute pancreatitis or acute cholecystitis. Although we encounter delicious food should also leave an open space for our stomach. Alcohol consumption needs to be moderate, each time a large amount of alcohol or drunkenness is extremely serious damage to the liver. Long-term uncontrolled drinking can cause a person’s appetite to decline, lower dietary intake and thus cause a variety of nutrient deficiencies, and can even lead to acute and chronic alcoholism, alcoholic cirrhosis of the liver and other diseases. Therefore, do not drink alcohol, not excessive persuasion. The last thing is to have a relaxed and clean dining environment, elegant environment and warm atmosphere can promote appetite, conducive to the secretion of digestive juices, promote the absorption of nutrients, more importantly, while dining and family or colleagues to get a good exchange and communication to enhance the relationship, health, but also enjoy the body and mind.