The outbreak of corona virus disease 2019（COVID-19）in Wuhan since December 2019 has caused trouble in the diagnosis and treatment of gastric cancer patients，and also increased the pressure on hospitals. Gastric cancer，as a highly heterogeneous malignant tumor，should be treated with special diagnosis and therapeutic strategy according to its characteristics during the outbreak. And we should adjust guidance and management according to local conditions to reduce the adverse impact of the diagnosis and treatment in gastric cancer patients during the COVID-19 epidemic periods.