If you feel a hard lump in your abdomen, you should choose to go to general surgery, gastroenterology, oncology, gynecology, urology according to your situation. 1. For those with obvious pressure and pain at the lesion site, history of abdominal trauma, suspicion of abdominal wall lesions, or no other obvious symptoms except abdominal hard lumps, it is recommended to go to the general surgery department. 2. For those with symptoms such as abdominal pain, vomiting, bloating, diarrhea, constipation, jaundice, bloody stools, etc., and suspected of having gastrointestinal diseases such as intestinal obstruction, Crohn’s disease, liver abscess, hepatitis, ulcerative colitis, etc., it is recommended that they go to the Department of Gastroenterology for consultation. 3. For patients with symptoms such as emaciation, anemia, persistent low-grade fever, fatigue, etc., and suspected of having oncological diseases such as liver cancer, gastric cancer, colon cancer, bladder cancer, etc., they should go to the Department of Oncology for consultation. 4. Female patients should go to gynecology department if the mass is located in the lower abdomen and pelvis, accompanied by vaginal bleeding, abnormal menstruation, abnormal vaginal secretion, and suspected of uterine fibroids and other gynecological diseases. 5. For symptoms such as urinary urgency, urinary frequency, urinary pain, hematuria, lumbar pain, lumbar pain, difficulty in urination, etc., and suspicion of urinary retention, hydronephrosis and other urological disorders, the patient can go to the Department of Urology for consultation. Patients should choose the appropriate department according to their own situation and follow the doctor’s instructions for appropriate treatment. Sometimes it is normal to change departments.