Patients with fever are not advocated to eat potato chips, because the reasons for fever are many. Chips are fried food, which is not conducive to digestion and absorption, greasy food will increase the burden on the stomach and intestines, further affecting the appetite, causing a vicious circle, chips are dry, which will aggravate dry mouth and throat, which is not conducive to disease recovery. During the fever should be more water, vitamins, vegetables and fruits are good choices to enhance the body and speed up the improvement. Improper diet can reduce the body’s resistance. Colds, viral and bacterial infections can cause inflammation of the gastrointestinal tract, and improper diet can cause indigestion and fever. Patients with fever should pay attention to not eating spicy, cold and stimulating food in their diet. When fever is present, they should stop smoking and drinking alcohol, and do not drink strong tea and coffee, which can avoid further aggravation of fever symptoms.