The left side of the abdomen has the following conditions: 1, intestinal roundworm: the main manifestation is the left side of the abdomen hidden pain, pain is paroxysmal and the onset is generally very sudden. 2, gastric prolapse: gastric prolapse will lead to the left side of the abdomen hidden pain, but also belching, decreased appetite and other symptoms, sometimes there are also symptoms of diarrhea. 3, acute gastroenteritis: in addition to the left side of the abdomen hidden pain, but also the number of stools, fever, physical weakness and other symptoms, The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. In addition to the left abdominal pain, there are also symptoms such as scrotal pain, frequent urination and urinary urgency. 7. urinary stones: In addition to the left abdominal pain, there are also symptoms such as nausea, vomiting, painful urination and difficulty in urination. Difficulty in urination and other symptoms.