You can eat yam when you have a cold because it can stimulate and regulate the body’s immune system, and long-term consumption of yam has the effect of enhancing immunity, so taking yam when you have a cold can enhance the body’s ability to fight disease and detoxify. Yam can be consumed when you have a cold because it has the function of nourishing Yin, tonifying the spleen, tonifying the kidneys and strengthening the lungs, especially for colds such as spleen deficiency and diarrhea, such as summer-damp colds, or colds such as lung deficiency and cough, such as wind-heat colds and wind-cold colds, all of which have very good effects and curative effects. In addition, if the patient has digestion and malabsorption during the cold, eating yam can have the effect of strengthening the spleen and benefiting the stomach, so eating yam when you have a cold is good for your body.