Prostate disease caused by left small belly pain is recommended to the hospital for further examination, according to the prostatitis and prostate hyperplasia and other different causes of selection of appropriate drugs for treatment, including levofloxacin, terazosin, tamsulosin and other drugs. 1. If the pain and discomfort in the lower abdomen is caused by prostatitis, it is recommended that antibiotics such as levofloxacin, non-steroidal anti-inflammatory drugs such as ibuprofen, and alpha 1 receptor blockers such as terazosin be taken for treatment. 2. If the abdominal discomfort is caused by prostate enlargement, it is recommended to take alpha-blockers such as tamsulosin and 5α-reductase inhibitors such as finasteride for treatment. In addition, it is recommended to further clarify whether there are urinary tract infections, stones, and intestinal diseases that cause abdominal pain, and to make appropriate treatments according to the different causes under the advice of doctors. The use of drugs should pay attention to the adverse reactions and contraindications of drugs, and follow the doctor’s instructions to use drugs.