Your question is quite big and difficult to answer in detail. I can give you some general details. You may have to search online. Tainan is the ancient capital of Taiwan, famous for its monuments and snacks. There is no subway, so it is more convenient to take a taxi. Kaohsiung is a big city. There is a subway. You can use the subway.

With the shuttle bus, you can go to many scenic spots along the subway, including Qiaotou Sugar Factory (go straight out of Qiaotou Sugar Factory subway station and walk to the left). You can eat ice cream and visit the Taiwan Sugar Industry’s small train, sugar factory, sugar industry museum, etc. <-all

The free Lotus Pond (it’s accessible by taking a bus after the high-speed rail station, or you can walk a little further, as southern Taiwan is very hot now). Attractions include the Dragon and Tiger Pagoda, the old city gate wall of Fengshan County, and many temples around the pond.

You can go to the temple to ask for a visa (many tourist attractions in Taiwan are free of charge, and the temple is free of charge). Xiziwan (former British Consulate of the Qing Dynasty, Cijin Ferry Head, Cijin Lighthouse, Fort) Take the bus to Xiziwan Station

Take the shuttle bus to the entrance of Sun Yat-sen University and walk up to the British Consulate. After visiting, walk down and take the bus to the ferry head. Take the ferry to Cijin to visit the Tianhou Temple Lighthouse and Fort or the beach. Return to the original Xiziwan Station -> You can walk to the nearby Fisherman's Wharf to see

Watch the boat or take the subway to Kaixuan Station and get off, walk or take the shuttle bus to Dream Mall. There is a Ferris wheel on the top floor of Dream Mall that you can ride on. In the evening, you can take it to Central Park Station to browse the Xinjuejiang Business District or take a ride.

Go to Formosa Station and go shopping at Liuhe Night Market. I don’t know your budget, so it’s hard to figure out the accommodation part. The next morning, go to Kaohsiung Railway Station and take the train to Tainan. It takes 30 minutes by fast train and 1 hour by slow train. Opposite the Chihkan Tower, the scenic spot in Tainan.

There is a winter melon tea seller in the alley of the Wu Temple. You can walk around the Confucius Temple, which is the first Anping Castle in Taiwan. There are tree houses and Dongxing Foreign Trade Co., Ltd. nearby where you can go shopping. That’s about it.