Table 1

Inclusion and exclusion criteria

  • Patients with stage I, II or III gastric cancer were diagnosed by pathology before surgery

  • Diagnosis of double cancer

  • Patients who had distal or total gastrectomy

  • Allergy to milk, soy bean, wheat or salmon

  • Age 18 years or order

  • Patients with mental illness, impaired consciousness and inability to communicate normally

  • PG-SGA Grades B or C

  • No gastrectomy, radiation, chemotherapy before surgery

  • Patients have the ability to ingest food orally

  • Patients or his/her family members had a smartphone on which they could use WeChat*

  • Patients written informed consent

  • *WeChat: as one of the popular social media apps in China.