Acupuncture for Postoperative Gastric Emptying Delay

Inclusion Criteria: 1. Aged 18-80 years, regardless of sex. 2. Patients who have undergone partial gastrectomy. 3. Patients presenting with postoperative gastroparesis symptoms, confirmed by imaging or gastric emptying scintigraphy, and clinically diagnosed with gastroparesis. 4. No severe cardiac, hepatic, renal, or coagulation dysfunction. 5. No participation in other interventional clinical trials within the past month. 6. Able to provide written informed consent and comply with the treatment and follow-up procedures. Exclusion Criteria: 1. Patients with severe cardiovascular or cerebrovascular diseases, hepatic or renal failure, or coagulation disorders. 2. Patients who develop serious postoperative complications after partial gastrectomy, such as anastomotic leakage, gastrointestinal bleeding, or severe infections, or conditions that may affect the assessment of gastric motility, such as ascites or intestinal obstruction. 3. Patients with a known allergy to acupuncture or with skin damage, infection, or severe scarring at the needle insertion sites that would prevent proper acupoint selection or needling. 4. Patients with diagnosed psychiatric disorders, cognitive impairment, or those unable to cooperate with treatment procedures, symptom assessment, or follow-up. 5. Patients who have used medications that may significantly affect gastric motility within the past week and cannot discontinue their use. 6. Pregnant or breastfeeding women, or individuals with other special physiological conditions that may make them unsuitable for participation in acupuncture research.