During the period of cold, there will be fever, sore throat and weakness. Colla Corii As a warm tonic, consuming it during the period of cold will aggravate the symptoms of fever. During the period of cold, the gastrointestinal tract can be disturbed and some digestion and absorption functions can be reduced, which can affect the absorption of Colla Corii Asini, it is better to eat Colla Corii Asini after recovering from cold. Eat less spicy, greasy and stimulating food, and eat more light food, fresh vegetables and fruits, millet porridge, vegetable soup, egg custard, etc. Actively use anti-cold drugs, commonly used cold capsules and cold flush, the treatment cycle in about a week, after recovery to strengthen physical exercise, enhance physical fitness, improve the body’s immunity.