Pancreatic cancer is insidious, and its incidence is growing fast, its disease is progressing rapidly, and its mortality rate is high, so it has become the new king of cancer. More importantly, because of the special location of the pancreas, surgery is very difficult, and the effect of chemotherapy is usually not very satisfactory, so the general survival period is only 3-6 months, and the clinical incidence is almost equal to the mortality rate. The annual incidence rate of pancreatic cancer in China is 5.1/100,000, which is significantly higher than 20 years ago. In recent years, pancreatic cancer has always topped the list of 5-year survival rate of malignant tumors with low survival rate. Therefore, strengthening prevention and early diagnosis is the key to improve the survival rate of pancreatic cancer. Unfortunately, the early stage of pancreatic cancer is often dominated by symptoms of digestive tract, repeated upper abdominal discomfort and loss of appetite, which are easily misunderstood as gastric disease and neglected, so when diagnosed, nine out of ten have already spread to surrounding organs such as liver, bile duct and stomach. For the prevention of pancreatic cancer, the main four aspects are as follows: 1. Change bad habits: quit smoking and drinking, and maintain good habits. Smoking, the World Health Organization predicts that if people all stop smoking, after 5 years, cancer in the world will be reduced by 1/3; secondly, do not abuse alcohol. Cigarettes and alcohol are extremely acidic substances, and people who smoke and drink for a long time are very likely to have an acidic body. For pancreatic cancer, this acidic substance is a trigger for the disease, so quitting smoking and drinking as early as possible can prevent the disease from occurring. This is one of the preventive measures for pancreatic cancer. 2. Prohibition of stimulating and injurious food: Do not consume too spicy and oily food. Do not eat too hot, too cold, expired and spoiled food as well as too salty food all unknowingly induce the disease, we should maintain a reasonable meal plan, the taste should be moderate, do not stimulate the gastrointestinal tract too much. Those who are old and weak or have certain disease genes should eat some anti-cancer foods and alkaline foods with high alkaline content as appropriate, and keep a good mental state. 3. Regularity of life: to develop a good routine of life and plan their time reasonably. Many young people like to use various entertainment methods to spend the weekend, and sometimes they even stay up all night to vent out the pressure for a week, such as singing karaoke all night, playing mahjong, staying up all night, etc. Irregular life will aggravate the acidification of body mass and make them prone to cancer. These are important factors to produce diseases, so in any case, we should keep a regular work and rest time for entertainment to keep the body’s weak alkalinity in balance and stay away from pancreatic cancer. 4. Avoid contaminated food: The food in our daily life needs to be paid attention to, the food in roadside stalls is contaminated food, so we should try to avoid it, and the intake of some nutritious green food can effectively prevent the occurrence of diseases.