The first choice of antibacterial drugs for joint infections should be broad-spectrum antibiotics. If all the bacteria in the body are killed, fungal infections and dysbiosis of the flora will occur and other problems such as bowel problems will occur. The first choice is to use a broad-spectrum antibiotic for joint infections, and after the results of the drug sensitivity, you should adjust to a narrow-spectrum antibiotic to treat the disease according to the results of the drug sensitivity.