With the rapid development of food refrigeration equipment and heating devices in space, the types and varieties of space food are close to ground meals. From the initial dozen to more than 100. Not only are there many varieties, but they are delicious and nutritious. Astronauts usually eat four meals a day, and the recipes are not repeated for a week. The foods that astronauts can eat are: black bread, honey cake, ham, pork with sweet and sour sauce, quail, Polish barracuda, Russian cheese, sturgeon, vegetable soup and red soup, sausage pie, spicy grilled fish, roast beef with potatoes, buttered bread, lobster sauce, tuna salad, strawberries, biscuits, yogurt, preserved fruit, chocolate, tea, juice and coffee. American astronauts can even drink their favorite Coca-Cola.

20/kloc-February, Yang Liwei's exclusive "space dry goods" were exhibited at the space exhibition site of Sichuan Exhibition Hall, including barbecued pork, cuttlefish balls, baked bran, pickled cucumber, spirulina wolfberry moon cake, Wuren ham moon cake, peanut butter, sandwich biscuits and chocolate sandwich biscuits.