People with a cold and cough can eat oranges. This fruit is rich in vitamin C, which can promote the repair of tissue mucosa and is beneficial for recovery from illnesses. Additionally, it can also provide some cough relief. Therefore, it's fine to eat oranges when you have a cold and cough, as generally, there are no special contraindications with most fruits. Fruits like apples, bananas, tomatoes, tangerines, pineapples, and dragon fruits are also edible. It is mainly important to avoid overly greasy and spicy foods, refrain from smoking and drinking alcohol, drink plenty of water, ensure good indoor air circulation, and maintain suitable indoor temperature and humidity to help recover from a cold and cough.