Amoxicillin dosage: 1.Orally, adults 0.5g once, once every 6-8 hours, daily dose not more than 4g, children 20-40mg/kg per day, once every 8 hours, for the treatment of uncomplicated urinary tract infections, you can take 3g orally in a single dose, or you can increase the dose by 3g once after 10-12 hours. Neonates and preterm infants 1 oral dose of 50mg once every 12 hours, or once every 8 hours if the infection is severe.2. Intramuscular injection 0.5-1g 3-4 times a day.3. Intravenous drip 0.5-1g/time 3-4 times a day.