Amoxicillin capsule belongs to beta-lactam class of antibiotics, which belongs to penicillin class. If patients have sore throat and yellow pus nose after cold, they can apply amoxicillin capsule to treat. However, the prerequisite for medication is that the patient has no history of allergy to penicillin drugs to avoid allergic reactions, and drink more water after medication to promote the absorption and metabolism of drugs. In life, you must exercise more to avoid always having a cold, eat a light diet, drink more water, take some vitamin C tablets to improve the body’s resistance, try not to smoke, drink alcohol, and don’t stay up late.