To determine whether it is a “gastrointestinal cold”, we must first know what a “gastrointestinal cold” is. Therefore, different doctors may have different opinions on the diagnosis of “gastrointestinal flu”, mainly because there are different opinions on the definition of “gastrointestinal flu”. Therefore, it is not necessary for parents to get hung up on the fact that one doctor diagnosed your child with gastroenteritis while another doctor diagnosed a “stomach flu”. Even if the diagnoses are different, the principles of treatment are the same: symptomatic treatment for vomiting, diarrhea, and poor appetite. If a child has poor appetite, vomiting, diarrhea, fever, etc., regardless of whether these symptoms are complications of respiratory infections or primary symptoms of gastrointestinal infections, there are many similarities in the process of treatment: Definitive Diagnosis: As long as there are obvious symptoms of gastrointestinal infections, such as vomiting and diarrhea, a stool examination should be considered. Stool tests include routine stool tests, occult blood tests, rotavirus tests or stool cultures. Routine stool tests can initially screen for bacterial enteritis and dysentery, while rotavirus tests can determine whether rotavirus is causing fall diarrhea, and stool cultures are needed when bacterial infectious diarrhea is initially considered. If the diagnosis is enteritis and dysentery, antibiotics should be taken to treat the disease. If the stool is not abnormal or positive for rotavirus, symptomatic treatment should be required. Symptomatic treatment to stop vomiting, anti-dehydration: when the child vomiting and accompanied by fever, relieve vomiting, to ensure that the intake of water and electrolytes is of primary importance. You can take antiemetic drugs to stop vomiting (do not drink water at the same time when taking antiemetic drugs, so as not to vomit out all the water and drugs), take antiemetic drugs 20-30 minutes after the beginning of oral rehydration salts (do not drink plain water). The amount each time must be small, can only drink 5-10 ml, every 5-10 minutes to drink, so that the intake of water and electrolytes, but also to reduce the occurrence of vomiting. Most children can make up for the loss of body fluids through oral rehydration components without water and electrolyte disorders. However, if the child is unable to take in water because of vomiting, or vomits after drinking, intravenous fluid replacement should be considered. Concerned about the child’s urine output is an important indicator of dehydration, such as a significant decrease in urine output, should be considered to have dehydration, at this time should increase the amount of fluid intake or intravenous rehydration. Antidiarrheal drugs: diarrhea can be serious anti-diarrheal drugs to take probiotics: diarrhea or diarrhea relief can take probiotics to assist in the treatment. Diet: After drinking water for a few hours and the vomiting is basically relieved, you can consider eating a little porridge, noodles and other easy-to-digest food. After that, we should pay attention to the patient’s diet, should eat a small number of meals of light, easy to digest food, avoid eating greasy and with stimulating food. Most of the “gastrointestinal” colds do not lead to serious complications, and the disease can be gradually recovered in about 7-10 days. After the diarrhea and vomiting subside, the child’s appetite often returns slowly, so parents should not be anxious. The following symptoms should be considered: poor mental status, lethargy or irritability, high fever, dehydration, persistent vomiting for more than 2 days, blood in the vomit, severe abdominal pain.