If you have a cold and cough, it is advisable to eat a light diet and consider taking some cough suppressant medicine to relieve the symptoms. Additionally, one can eat fresh fruits and vegetables like pears, loquats, grapefruits, and watermelons, which help clear heat and detoxify the body, reducing internal heat. Both pears and loquats additionally help moisten the lungs and relieve coughs and dissolve phlegm. It is also recommended to drink some honey water, which can moisten the lungs and relieve dryness. It is important to avoid spicy, greasy, raw, and irritating foods. You can also drink some porridge, eat soft noodles or small green vegetables, soy milk, and tofu. Thus, it is recommended to pay attention to diet for managing and effectively treating cold and cough symptoms.