Main findings: Domestic antibiotics account for 54, 54% (based on DDD indicator); the antibiotic group that has been used the most is beta-lactam (81, 68%); 65, 33% medical reports having one kind of antibiotics; 30.33% of the medical records were prescribed with 2 types of antibiotics; there is a small percentage (4.33%) of the medical records combined 3 types of antibiotics; 54, 33% of medical reports that were prescribed antibiotics during 5 - 7 days; the rate of medical reports that were prescribed antibiotics during 7 - 10 days is 43, 33%; it is particularly noteworthy that 2.34% of patients had to be treated with antibiotics for more than 10 days (mostly in the surgical ward of the hospital).