Acute seminal vesiculitis usually takes cephalosporin until all symptoms are gone and then about 1 week. Chronic seminal vesiculitis should be taken for more than a month. The specific course of treatment should consult the doctor. The main indications for Cefdinir include infections caused by Escherichia coli, Aspergillus, Klebsiella, Staphylococcus, etc. Acute seminal vesiculitis should be taken for one more week after the symptoms are controlled in order to achieve a curative effect. Chronic vesiculitis because of the structural characteristics of the seminal vesicles, easy to delay, so the course of treatment should be longer, usually need more than a month. Its adverse reactions mainly include diarrhea, abdominal pain, rash, itching, eosinophilia and so on. Contraindications include allergic history to penicillin, bronchial asthma, severe renal dysfunction and other patients. The specific use of the course of treatment should follow the doctor’s instructions for treatment, avoid self-medication.