#Clinical history #Male esophageal cancer patient, 65 years old, communicate with the family to understand the old man’s habits, the son said, the old man went home in the New Year to buy 100 pounds of salt (50 kg a package), and so on the second year of the Spring Festival to go home, and found that there are still left 20 pounds of the old lady to take care of small children to school in Zhengzhou, that is to say, the old man himself alone a year to eat 80 pounds of salt. There are several ways to eat salt, such as adding it directly to the dishes to eat, pickles to eat. One day intake of salt two two (100 grams) more, much higher than the WHO recommended 6 grams per day. He Zhen, Department of Internal Medicine, Henan Cancer Hospital