In cases of cold and fever, it is advisable to eat more fruits rich in vitamin C, such as oranges, grapefruits, kiwis, strawberries, and cherries. These fruits contain a high amount of vitamin C, which can enhance the body's immune system, promote inflammation repair, and help the disease recover more quickly. It is also recommended to drink plenty of water during a fever to replenish fluids timely and avoid dehydration that can cause electrolyte imbalance. Additionally, if the body temperature exceeds 38.5°C, fever-reducing medications should be taken to lower the temperature. Moreover, it is advisable to rest well, avoid overexertion, keep warm, avoid exposure to cold winds, and eat a light diet devoid of spicy, greasy, or raw and irritating foods. (Please consult a professional physician before using any medication, and do not medicate blindly.)