Hua Mulan is the eldest daughter of the family, cheerful and frank, parents try hard to help their daughter find a good home, but many efforts failed. At this time, he received the news of the invasion of the Xiongnu in the north, and the court summoned strong men from every household. Mulan's father was also on the list. Mulan could not bear her elderly and disabled father to fight for battlefield. She decided to cut off her long hair, steal her father's armor, and decided to dress up as a man and join the army instead of her father. In order to protect Mulan, the ancestors of the Hua family sent a kind-hearted Mushu to help. In the process of joining the army, Mulan passed one hard training after another with a strong will, and her spirit also moved all her comrades-in-arms. Just when the war was in an emergency, she was also found to be a woman. She was left behind in the snow, and finally she appeared in time to help the army repel the Huns.