Amoxicillin’s role and efficacy is mainly to kill a variety of gram-positive bacteria and some gram-negative bacteria, can treat a variety of infectious diseases. Amoxicillin take a few need to combine the patient’s own situation, and follow the doctor’s instructions, can not be generalized. Amoxicillin belongs to the broad-spectrum penicillin class of antibiotics, its antibacterial spectrum, antibacterial effect is strong, can kill Streptococcus pneumoniae, hemolytic streptococcus, whooping cough bacillus, syphilis spirochetes and other gram-positive bacteria and some gram-negative bacteria. Amoxicillin can be used to treat otitis media, tonsillitis, sinusitis, pneumonia and other respiratory diseases. It is also used for skin tissue infections such as boils, cellulitis, and lymphadenitis. It is also used in the treatment of urinary tract infections such as acute cystitis and acute urethritis. How many Amoxicillin should be taken needs to be decided in accordance with the severity of the patient’s condition, the type of disease, age, and many other factors, according to the instructions of the medicine and according to the doctor’s prescription. For example, for chronic pharyngitis, adults are usually given two pills at a time, while children’s one-day dosage usually needs to be given in accordance with their body weight of 20~40mg/kg. Amoxicillin should always be used under the guidance of a doctor and not blindly on its own.