Amoxicilin is one of the most commonly used semi-synthetic penicillin broad-spectrum β-lactam antibiotics. It is a white powder with a half-life of approximately 61.3 minutes. It is stable under acidic conditions, and the gastrointestinal absorption rate reaches 90%. Amoxicillin has a strong bactericidal effect and a strong ability to penetrate cell membranes. It is one of the most widely used oral semi-synthetic penicillins.