The time of steaming corn varies with the variety and size of corn. Generally speaking, the cooking time is between 15 and 25 minutes, sweet corn is 8 minutes after cooking, old corn is 0/0 to 15 minutes, and sticky corn is 0/0 to 12 minutes. It is suggested that steaming 15-20 minutes is the best, and the cooking time can be extended or reduced according to the amount. The time of steaming corn varies with the variety and size of corn. Generally speaking, the cooking time is between 15 and 25 minutes, sweet corn is 8 minutes after cooking, old corn is 0/0 to 15 minutes, and sticky corn is 0/0 to 12 minutes. It is suggested that steaming 15-20 minutes is the best, and the cooking time can be extended or reduced according to the amount. 1, corn steaming takes 15-25 minutes. 2. Corn is a common food, with many varieties, including waxy corn, sweet corn and old corn. There are big and small sizes, so the cooking time will be slightly different. Old corn is not easy to ripen, so the cooking time should be increased. Fresh corn can be soaked in water for a while before steaming, and the steamed corn tastes better. Steamed corn can be cooked in cold water, and it will be stuffy for a while after steaming, and the taste will be more glutinous. 3. Chinese medicine believes that corn is flat and sweet, and enters the liver, kidney and bladder meridian, which has the effects of diuresis and detumescence, calming the liver and benefiting gallbladder, strengthening the spleen and infiltrating dampness, regulating appetite, benefiting kidney and clearing heart, and clearing damp heat.