Erythromycin capsule has therapeutic effect on prostatitis caused by pathogens such as chlamydia, but it is ineffective for diseases such as prostate hyperplasia. The use of erythromycin capsule needs to pay attention to the indications and contraindications. Erythromycin can be used to treat infectious diseases of tissues or organs caused by sensitive pathogens such as mycoplasma, chlamydia, etc., and the treatment for the indications is effective. Therefore, when prostatitis caused by the above pathogenic microorganisms occurs, the drug can be used. However, the application of erythromycin capsules is ineffective in the case of prostate diseases caused by other causes. For the treatment of prostate-related diseases, such as prostatitis, you can choose to use erythromycin, levofloxacin and other drugs for anti-infective treatment according to the infectious pathogen. And prostate hyperplasia and so on can choose tamsulosin, finasteride and other drugs, or prostatectomy and other surgical treatment. Erythromycin is forbidden to be used after the occurrence of adverse reaction manifestations such as nausea, vomiting, rash, dizziness and headache after the use of the drug, drug allergy, abnormal liver function, pregnancy and lactation. The above drugs need to be used under the guidance of clinicians, prohibit unauthorized use of medication; the emergence of prostate disease is recommended to go to the hospital in a timely manner.