Find a hotel with a bathroom under 100 yuan in Taiyuan.

There may be some challenges in finding a hotel with bath facilities below 100 yuan in Taiyuan. However, here are some options to meet your needs:

1. Taiyuan Youth Hostel: This is a relatively affordable hotel, with single rooms and multiple rooms to choose from, providing basic facilities, including bathing.

2. Home Inn: This is a hotel with chain stores all over the country, providing clean and tidy rooms and basic facilities, including bathing.

3. Hanting Hotel: This is also a hotel with chain stores all over the country, providing modern facilities, including bathing.

Please note that the prices of these hotels will change according to the season and demand. It is recommended that you carefully check and compare the prices before booking.