Is Aunt Tianjin's mother formal?

Ordinary. According to the eye survey, Tianjin Auntie's mother is called Tianjin Auntie's mother-infant nursing training institution, which has complete filing materials and is a formal and legal institution. Tianjin Auntie Maternal and Child Care Training Institution is a professional institution engaged in training of new moon, baby nurse, child massage teacher, postpartum recovery teacher, prolactin and storage.