Nanchang, being a large city in China, is generally considered safe for solo female travelers. The inhabitants are usually welcoming and safety standards in public areas and transport are relatively high. However, as any traveler should, always be aware of your surroundings, especially when traveling alone or in the night time. Petty crimes like pickpocketing can occur in crowded areas. It's also worth noting that language could be an issue as not everyone can communicate in English. But with some precautions, your trip can be enjoyable.