Symptoms of tortuous dilatation of the left pelvic vein include lower abdominal pain, lumbar pain, as well as significant fatigue, bloating and so on, which require timely medical treatment. 1. Chronic lower abdominal pain: most of them are chronic diffuse pain in the suprapubic symphysis, involving the same side or the lower limbs, especially soreness and weakness in the thighs. 2. Symptoms of lumbago, i.e., pain in the lumbosacral region: since pelvic veins are mostly caused by pelvic inflammatory disease, which is a disease located in the lumbosacral region, it is necessary to seek timely medical treatment to improve the symptoms of lumbago if tortuous dilatation of the pelvic veins is diagnosed. 3. Obvious fatigue symptoms: the patient has left-sided pelvic vein tortuous expansion, the systemic venous flow changes, the pelvic area blood flow increases other parts of the blood supply is reduced, so there will be fatigue symptoms. 4. Abdominal distension: the left pelvic vein is tortuous and dilated, usually the uterus will be uniformly enlarged, and the endometrium and subplasma membrane will be bruised, edema, poor venous return, the enlarged uterus compresses the abdomen and the gastrointestinal tract, and the abdominal distension will be manifested. In addition, there will be localized swelling discomfort, mainly depending on the degree of dilatation of the pelvic veins, severe swelling will be more intense. In normal times, it is also necessary to pay attention to a light diet, drink more water, and appropriate nutrition to speed up the recovery of the disease.