The air fryer heats the food by hot air convection, taking away the moisture on the surface of the food, making its surface crisp and achieving a taste similar to frying. So Yuanxiao can be fried in an air fryer. Before frying Yuanxiao with air fryer, punch some holes on the surface of Yuanxiao to avoid bursting when heating. Spray some oil on the surface of Yuanxiao before frying, in order to improve the dry and hard surface of Yuanxiao.