Vomiting and watery stools are mainly considered to be acute gastroenteritis, which is usually acute, caused by eating cold or unclean food, mainly manifested by nausea, vomiting, diarrhea, or accompanied by abdominal pain, or even fever and other manifestations. If nausea, vomiting and diarrhea are more frequent, with signs of dehydration or fever, you can consider going to the hospital to improve blood and electrolyte tests to understand the infection and whether there is electrolyte disorder, and if necessary, infuse antibiotics or replenish electrolytes and water to improve symptoms. You can also take oral antidiarrheal medication to relieve the symptoms.