Flaccid fever is also known as septic fever. It is a persistent temperature above 39 degrees, with large fluctuations and temperature fluctuations of more than 2 degrees in a 24-hour period, but all above normal levels. It is commonly seen in sepsis, rheumatic fever, severe tuberculosis and septic inflammation. So, what is appropriate to eat for patients with persistent flaccid fever? The following is a brief introduction: it is advisable to eat foods with a cold nature; it is advisable to eat foods with high vitamin content; it is advisable to eat easily digestible liquid or soft food. Empty cabbage: Empty cabbage is cold in nature, easy to digest and absorb, and has the effect of cooling the blood, which is conducive to the fall of body temperature. About 200-300g per day is appropriate, fried food. Black rice porridge: rich in nutrients, high energy level, easy to digest and absorb, high vitamin content, and has an auxiliary role in lowering body temperature for this disease. About 200g per meal is appropriate, 2-3 times a day. Bamboo fungus: rich in nutrition, high amino acid level, easy to digest and absorb, has a role in promoting recovery from this disease. It can be taken after stewing with ribs and other foods.