What should I call my uncle's wife?

In family relations, uncle refers to the mother's brother or the wife of his brother and uncle. In written language, he is called aunt, and in spoken language, he is called aunt or aunt. There can also be grades, such as big aunt, second aunt, third menstruation and little menstruation. In dialect, uncle's wife is also called Zhang Zi, which is widely spread in Shaanxi, Henan, Shandong, Jiangsu, Anhui, Hebei, Shaanxi and other places. Uncle refers to mother's brother. In most cultures, uncles play an important role in the family structure, especially in celebrations and special occasions such as weddings and birthdays.