< positive >1 case data the patient, a 57 year old female, was admitted to the Department of Hematology of the Affiliated Hospital of North Sichuan Medical College on February 18, 2022 because of "abdominal pain and fatigue for 1 month and thrombocytopenia for 20 days". The patient had intermittent pain in the upper abdomen without clear inducement 1 month ago, accompanied by fatigue and occasional dizziness. 20 days ago, the blood routine of the patient outside the hospital showed that the platelet was 44 × 10-9 / L, hemoglobin was 120 g / L, total bilirubin was 42.2 μ mol/l, indirect bilirubin was 30.9 μ mol/l, and the abdominal pain was alleviated after the treatment of acute gastroenteritis, but there was still intermittent abdominal pain. The blood routine reexamination showed that the platelet was 29 × 10-9 / L, hemoglobin was 115 g / L. the effect of platelet raising capsule outside the hospital was poor, so he was admitted to the hospital. The patient has no vegetarian and partial eating habits, long-term constipation, no significant change in body mass, and has a history of gastritis for 10+ years. She usually has acid regurgitation, hiccups, heartburn, and abdominal distension. She has felt tongue pain, anxiety, and insomnia when eating for nearly 1 year, has suicidal tendencies, and occasionally has multiple joint pain and finger numbness.