When choosing between Nanyu and Yudao scenic spots in Qinhuangdao, you can compare them in terms of itinerary, transportation methods and accommodation.

1. Itinerary: Nanyu and Yudao have their own unique attractions and activities. Attractions in Nanyu include Shanhaiguan Ancient City, Meng Jiangnu Temple, Jiaoshan Great Wall, etc., while Fishing Island is dominated by sandy coastal bathing beaches, hot spring swimming pools and sand lake landscapes. Therefore, you can choose from different attractions and activities to design your own itinerary based on your personal interests and preferences.

2. Transportation: Qinhuangdao has relatively convenient transportation, with trains, buses, taxis and other transportation options available. There are buses from Beidaihe Beach and Qinhuangdao Railway Station to Nanyu and Yudao, and taxis are also common modes of transportation. For foreign tourists, they can book accommodation and scenic spot tickets online, which can better arrange their itinerary.

3. Accommodation: Qinhuangdao has a wide range of accommodation options, including family hotels, hotels and B&Bs. Family hotels near Beidaihe Beach and Qinhuangdao Railway Station are affordable and have convenient transportation, so you can consider them as accommodation options.

In general, Nanyu and Yudao are both interesting scenic spots in Qinhuangdao. Which one to choose depends on personal interests and preferences. The itinerary can be designed according to personal preferences and time. In terms of transportation, you can choose buses or taxis, and you can also consider booking accommodation and scenic spot tickets online. For accommodation, you can choose affordable family hotels or hotels.