Grandma's Temperature uses potatoes as a clue to express the author's

The author's feelings and thoughts about his hometown, relatives, life and traditional culture. Grandma's Temperature is an essay that takes potatoes, a traditional Chinese food, as a clue, and expresses the author's feelings and thoughts about his hometown, his relatives, his life and his traditional culture by recalling the scene of eating potatoes at his grandmother's house when he was a child, describing the characteristics of potatoes, and describing the culture and history behind the potatoes, among other aspects. Potato, also known as potato, yams, is a staple crop and vegetable, is the root part of the plant of the genus potato in the family Solanaceae, potato is one of the most important edible crops in the world, mainly produced in South America, Europe, North America and Asia and other regions.