Crab yellow comes out because it must be steamed in cold water, with the stomach facing up, otherwise it will come out. The steaming time depends on the size of the crab. If it takes 15 minutes, if it is steamed for 30 minutes, crab roe will also flow out. The method of steaming crabs requires several ingredients, such as ginger, perilla leaves and big crabs. 1, untie the crab with a rope, brush it with a brush, and remove the hair. After washing, you must buy live ones, and the dead ones have bacteria. 2. Add a proper amount of water to the pot, and add ginger slices and perilla leaves. Ginger slices are mainly used to remove fishy smell. Perilla leaves can keep him fresh, but they are not good. Put the crab in the pot, add the ginger slices, with the abdomen facing up and the crab shell facing down. To prevent the crab roe from flowing out, steam it in cold water for 30 minutes. Look at the size of your crab and choose the time. The delicious crab is ready, and with vinegar and a cup of ginger tea, it tastes more delicious. Crabs can't be eaten with pears. It can cause diarrhea and gastroenteritis. Can't eat with celery, will lead to protein in crabs can't be absorbed. If you can't eat it with pumpkin, it will cause poisoning and death. Can't eat with peanuts, it will cause gastrointestinal discomfort and diarrhea. Can't eat with quail eggs. It is easy to be poisoned if eaten. Can't eat with potatoes, it will stimulate the stomach, which is not conducive to digestion and block the stomach. If you can't eat it with eggplant, it will damage the stomach and intestines, and you can't eat it with tomatoes, which will cause abdominal pain and arsenic poisoning. Can't eat with mushrooms, it will cause gallstones. Can't eat with grapefruit, it will stimulate the stomach. You can't eat with figs, you will have diarrhea. You can't eat it with mulberries, which will reduce the nutritional value of crabs. Can't eat with cantaloupe, it will damage the stomach. You can't eat it with cold potatoes, it will hurt your health. Can't eat with cherries, it will be poisoned by arsenic. Can't eat with cold food, it will definitely have diarrhea. You can't eat with persimmons, and you will have symptoms of stomach pain. You can't eat with oranges, it will make you weak. You can't eat with grapes, which will lead to physical discomfort. Can't eat with loach, the effect is just the opposite.