Objective To discuss the clinical manifestations, diagnosis, and treatment of hepatoid adenocarcinoma of the stomach. Methods By summarizing the multi-disciplinary team results of 1 patient with hepatoid adenocarcinoma of the stomach, who underwent surgery in West China Hospital in October 2017, as well as reviewing the related literatures, to explore the clinicopathological features of hepatoid adenocarcinoma of the stomach. Results The clinical features of hepatoid adenocarcinoma of the stomach were often accompanied by early liver metastasis and alpha fetoprotein (AFP) significantly increased, which were easily misdiagnosed as primary hepatocellular carcinoma. The histopathological features of hepatoid adenocarcinoma of the stomach were characterized by two structures: hepatocellular carcinoma and adenocarcinoma. Conclusion Hepatoid adenocarcinoma of the stomach is a special type of gastric adenocarcinoma, and radical operation is the main treatment, but the prognosis of it is poor.