Suggestion: To prevent colds, you need to improve your physical fitness. Chickens, ducks, fish, shrimps, pigs, cows and sheep should be well nourished, and fish and shrimps should not be more than twice a week, that is, to achieve a balanced nutrition. Plus vegetables and fruits that are listed every season, don't eat out-of-season vegetables and fruits, so the baby's nutrition will be more comprehensive. Adequate sleep Whether adults or children, the physical, emotional and intellectual conditions of every day are directly related to the sleep of the night before, so adequate sleep can not only enhance physical fitness and prevent colds, but also improve a person's quality of life.