The present invention belongs to the field of traditional Chinese medicines and particularly relates to a qi-tonifying, dampness-eliminating and sore-throat-relieving dietary therapy formula and a preparation method and an application thereof. The qi-tonifying, dampness-eliminating and sore-throat-relieving dietary therapy formula comprises the following food materials in parts by weight: 6-15 parts of sun-dried ginseng or American ginseng, 1-6 parts of dried orange peel, 1-3 parts of Chinese olives, 3-15 parts of fresh ginger and 250-500 parts of lean meat. The present invention also providesthe preparation method and the application of the qi-tonifying, dampness-eliminating and sore-throat-relieving dietary therapy formula. The dietary therapy formula is suitable for asymptomatic patients with novel coronavirus infection, people with mild symptoms of weakness of the spleen and the stomach, short breath and hypodynamia after activities, qi deficiency and lassitude, thirst and dry throat, dry tongue and little body fluid, dry stool or little qi and vain straining, and people with mild symptoms of weakness, chronic pharyngitis, cough, throat itching, dry throat, pharyngalgia, hoarseness and hypodynamia. Meanwhile, the dietary therapy formula also has effects of relieving symptoms such as fever, cough, dry throat, throat itching, sore throat, hoarseness, hypodynamia and the likecaused by influenza and acute upper respiratory tract infection (such as common cold, viral pharyngitis, laryngitis, herpangina and the like).