Five-month-old babies with eggdrop soup-like stools are considered to be diarrhea caused by rotavirus, and general treatment, rehydration therapy, symptomatic treatment and other measures should be taken according to the specific condition of the baby. 1. General treatment: when rotavirus infection causes diarrhea, the infant’s nutritional needs increase, even if there are diarrhea symptoms, we must continue to eat, the principle of eating to follow the portion of several times, from less to more, from thin to thick, and to ensure that the diet is clean and light, to avoid aggravating the infant’s gastrointestinal tract reaction. 2. Rehydration therapy: the most important treatment, diarrhea can cause a lot of water loss in infants, resulting in dehydration, need to supplement fluids according to the dehydration of infants. For mild to moderate dehydration, oral rehydration salts can be used, and intravenous supplementation is also available. For severe dehydration, the daily dosage of 150～180ml/kg of body weight should be used to replenish fluids through the vein in a timely manner. 3. Symptomatic treatment: in diarrhea, there may be metabolic acidosis or alkalosis, sodium deficiency, potassium deficiency, dyspepsia, etc. For example, in metabolic acidosis, sodium bicarbonate solution can be used to correct the situation; in sodium deficiency, sodium-containing solution with high tension can be used; in serious potassium deficiency, potassium chloride can be used; in dyspepsia, bifidobacteria and other medicines can be used to regulate the situation. Please note that the above medications should be used under the guidance of a doctor and should not be used at random. Parents who find their babies with eggdrop soup-like stools are advised to send them to the hospital promptly to avoid delaying their condition.