1. Orange: Orange is one of the most common fruits in winter. They are rich in vitamin C and nutrients, which can enhance immunity and prevent diseases such as colds.

2. Grapefruit: Grapefruit is also a common fruit in winter. Rich in vitamin C, potassium and other nutrients, it has a certain effect on preventing colds and lowering blood pressure.

3. Pear: Pear is a very popular fruit in winter, rich in pectin and minerals. It can moisten lung, relieve cough, clear heat and detoxify, and is suitable for cough and dry mouth caused by dry air in winter.

4. Apples: Apples are edible fruits all year round. In winter, due to the decrease of other fruits, apples are more popular. Apples are rich in vitamin C and antioxidants, which help to keep healthy.

5. Oranges: Oranges are also very popular fruits in winter. They are rich in vitamin C and carotene, which can enhance immunity and protect eyes.

Of course, the types of fruits in different regions and seasons will be different, and they need to be selected according to local conditions.