Shivering and vomiting are usually caused by the following factors:1. The most common factor is digestive diseases, often caused by inflammation and infection of the gastrointestinal tract, such as acute gastroenteritis, acute gastroenteritis, acute appendicitis, acute cholecystitis, acute pancreatitis, etc. Fever accompanied by shivering and nausea and vomiting may occur.2. Shivering, nausea and vomiting may occur during ionic disorders, such as hypochloremic and hyponatremic disorders.3. Shivering, nausea and vomiting may occur in cases of ionic disorders such as hypochlorhydria and hyponatremia.3. Infectious diseases may also present with shivering accompanied by vomiting, for example, sepsis or infectious shock may present with shivering, profuse sweating, rapid pulse rate, inability to measure or even low blood pressure, and decreased urine output.