Heyuan is generally safe for solo female travelers. The local people are usually friendly and helpful. Crime rates are relatively low and instances of violent crime are rare. It is always advised to keep a close eye on your personal belongings in crowded places and be aware of your surroundings, especially at night. Like anywhere, it is important to take standard precautions. Do your research about the local customs and expectations to avoid any cultural misunderstandings. For certain areas, a guide might be recommended.