When the child’s diarrhea does not improve or these manifestations appear, promptly seek medical attention: 1, frequent large amounts of watery stools. 2. Frequent vomiting and increased thirst. 3.Inability to eat and drink normally. 4, oral ORS (oral rehydration salt III) rehydration salt but still little urine, sunken eye sockets, forehead chimney, dry mouth and lips. 5.Fever and blood in the stool. Do not use antimicrobial agents for children with diarrhea at will, it is better to follow the doctor’s instruction.