How should I deal with infant diarrhea?

Patient's question:

No

Doctor's answer:

Patching Therapy Prescription: Evodia fructus 80g, Atractylodes rhizoma 70g, Cinnamon bark, Alumen each 30g, White pepper 20g. Usage: Grind the herbs into fine powder, take 5~7g each time, mix with an appropriate amount of old vinegar to form a paste, apply to the umbilical area, fix with a damp plaster, change once a day, 5 times constitute one course.