In general, phosphomycin aminotriol dispersion is best taken on an empty stomach. Phosphomycin aminotriol dispersion is an antibiotic drug mainly used for the treatment of acute lower urinary tract infections caused by sensitive bacteria, such as acute cystitis, acute attacks of chronic cystitis, acute urinary bladder syndrome, non-specific urethritis, etc. It can also be used in surgical procedures to prevent urinary tract infections. Patients are usually advised to take it orally after gastric emptying, as it is easily absorbed in an empty stomach state, such as before and 3 hours after meals. It is also necessary to drink more water appropriately during taking to promote urine production in order to increase the flushing of urine to the urinary tract and help treatment. In addition, patients need to pay attention during taking the drug, the drug may have certain adverse reactions, such as nausea, dizziness, insomnia, the occurrence of rash, etc., which usually disappears after stopping the drug. It is also necessary to pay attention to a light diet and abstain from alcohol while taking the drug.