Abstract: By summarize and analyze the changes and trends in malignant tumor death rates so as to lay foundations for malignant tumor protection in the community. The results indicated that the ratio of people died of malignant tumor was 21.05% of the total deaths and ranked the second in the first five causes of death for the people. The constituent ratio of malignant tumor in the digestive system was 51%, among which stomach cancer ranked the first, followed by live cancer. So the prevention of malignant tumors in the digestive system should be emphasized, and the first-grade prevention and second-grade prevention should be the focuses of the work.

Key words: malignant tumor, death cause, prevention