Ampicillin sodium is a class of antibiotics such as penicillin, which can be injected intramuscularly or intravenously. It is mainly used to treat upper and lower respiratory tract infections, gastrointestinal infections, urinary tract infections, skin and soft tissue infections, meningitis, sepsis, endocarditis, etc. caused by sensitive bacteria. Its precautions are similar to penicillin sodium. It should not be used for bacterial infections resistant to penicillin and should not be used for penicillin allergics.