You can eat fruits rich in vitamins, trace elements and biological water, such as watermelon, peach, kiwi, dragon fruit, horsetail, banana, tangerine, orange, lotus flower, passion fruit, grape, cantaloupe, ginseng fruit, cherry, pineapple, longan, persimmon, apple, pear, avocado, etc. You can eat them raw, or take them in juice, or heat them up and make a fruit soup with icing sugar. These fruits can strengthen the immunity of the body and are also very beneficial in fighting against pathogens, clearing the throat, moistening the lungs and relieving the symptoms of a sore throat from a cold.