The stomach is rare for breast cancer metastasis. We reported a patient with invasive lobular carcinoma of Lt breast. The patient suffered from persistent abdominal fullness after modified radical mastectomy, C/T and hormone therapy. The panendoscopy revealed a firm, slightly protruding mass with prominent gastric folds. The immunohistochemical analysis of biopsy disclosed positive stainings of estrogen receptor (ER), progesterone receptor (PgR), CK7 and GCDFP-15 and negative stainings of CDX2, CK20. Metastatic breast lobular carcinoma was diagnosed.