1. Shape and appearance: Pumpkins are round or oval, with smooth skin and mostly orange or yellow colors. Guagua is long, with rough skin and light green or light yellow.

2. Use: Pumpkin is used for cooking and eating, and can be made into various delicious dishes, such as pumpkin soup and pumpkin pie. Hanging melons are mainly used for viewing and decoration, and are often hung or hung indoors or outdoors, so they are not suitable for eating.