There are many common reasons for the feeling of lower abdomen, which require timely consultation and symptomatic treatment to promote physical recovery.1. Urinary tract infections: such as urinary tract infections, due to abnormal reproduction of pathogens in the urinary tract, resulting in discomfort symptoms such as urinary frequency, urinary urgency, painful urination, and small abdominal cramps in patients. Patients should take oral amoxicillin, furantoin and other drugs for treatment under the guidance of a doctor. Also drink more water and urinate more often to flush the urinary tract and speed up the discharge of germs. Patients with cystitis can also have the above symptoms, and commonly used drugs include amoxicillin and fosfomycin. 2. pelvic effusion: the organs in the pelvis produce a large amount of inflammatory exudate due to inflammatory stimulation, which accumulates to form pelvic effusion, which in turn leads to symptoms such as abdominal cramps in patients. The disease is often treated with antibiotics such as metronidazole and levofloxacin. Patients can use ultrasound irradiation and other treatment methods under the guidance of a doctor to promote blood circulation and accelerate the discharge of fluid; 3, other: tubal inflammation, ovarian inflammation, uterine fibroids and other diseases can also lead to symptoms such as a feeling of a falling abdomen, inflammation is often treated with anti-inflammatory drugs such as metronidazole, and uterine fibroids need to be removed.