Adults taking 0.25g Amoxicillin usually take two capsules at a time, while children’s dosage needs to be judged according to their weight. Amoxicillin is an antibiotic that is commonly used to treat illnesses caused by sensitive bacteria such as Streptococcus hemolyticus, Streptococcus pneumoniae, and Escherichia coli. There are many sizes of Amoxicillin such as 0.125g, 0.25g, 0.5g. For adults, the amount of Amoxicillin to be taken at one time is at 0.5g, and two tablets or two capsules are needed if the application of Amoxicillin is at 0.25g. If children need to apply amoxicillin, it needs to be calculated according to body weight, the normal pediatric one-day dose is calculated according to the body weight of 20-40mg/kg, while the one-day dose for infants under 3 months is calculated according to the body weight of 30mg/Kg. Amoxicillin is contraindicated if the patient is allergic to penicillin or has a positive penicillin skin test. Some patients may experience adverse reactions such as diarrhea, rash and nausea after taking this product. Patients are advised to apply Amoxicillin under the guidance of a physician and not to use the drug on their own. Pay attention to diet during the use of the drug, avoiding the intake of spicy stimulating food or alcohol.