If you stay at Shenyang Airport for one night and plan to take a taxi to the airport at 7: 3 the next morning, the following are some convenient hotel options:

1. Jinjiang Inn: This hotel is close to Shenyang Airport and only takes about 3 minutes by car. In addition, there are subway stations and bus stations near the hotel, with convenient transportation. However, it should be noted that the surrounding environment of the hotel is relatively simple, and there are relatively few dining and shopping options.

2. Home Inn Sanhao Street Liaozhan Store: This hotel is located in the center of Shenyang, about 35 minutes' drive from Shenyang Airport. There are subway stations and bus stations around the hotel, and the transportation is convenient. In addition, there are shopping centers, food streets and other commercial facilities around the hotel to facilitate your shopping and dining.

3. Hanting Haiyou Inn Sanhao Street Store: This hotel is also located in the center of Shenyang, about 35 minutes' drive from Shenyang Airport. There are subway stations and bus stations around the hotel, and the transportation is convenient. In addition, there are large commercial facilities and food streets around the hotel, which are convenient for you to shop and eat.

generally speaking, the above three hotels are convenient choices. You can choose the right hotel according to your preference and budget. If you need more detailed hotel information and booking services, it is recommended to consult relevant online travel platforms or travel agencies.