Men with left lower abdominal pain should first identify the cause, such as eating too much gas-producing food, you can take Lactobacillus acidophilus; such as ulcerative colitis, you can use drugs such as sulfasalazine; if caused by intestinal spasms, you can take medicines such as scopolamine; such as cystitis, you can use medicines such as levofloxacin. 1. caused by food factors: such as eating beans, radish and other easy to produce gas food, can cause excessive intestinal gas production to produce pain, can take drugs such as Lactobacillus acidophilus. 2. Ulcerative colitis may be: such as in addition to pain and diarrhea, constipation, enteroscopy has a positive performance and other factors, according to the severity of the disease can be used for different drugs, the most common drugs for the aminosalicylic acid preparations, such as luzosulphapyridine and so on. 3. Intestinal spasm may be: if the pain is caused by intestinal spasm, manipulative massage can be used to promote intestinal peristalsis; if the pain is more severe, drugs can be used to relieve spasm, such as scopolamine. 4. Cystitis, etc.: take antibiotics regularly under the guidance of a doctor, such as methotrexate or levofloxacin. Left lower abdominal pain must first clarify the cause of the disease, go to the hospital in a timely manner, under the guidance of the doctor to identify the cause of the active treatment, so as not to delay the condition.