How do I buy tickets for the Wuhan subway?

1. You can buy the tickets in the ticket booth. Tell your destination, ask the clerk the fare and pay it.
Or you can purchase the tickets at the multifunctional ticket machine. Notably, prepare some cash in order to pay the tickets in advance.
2. Yes, the city has 7-day travel pass. It's sold CNY 90 and the extra deposit is CNY 20. Passengers could take all the subway lines without limit 7 days after the first use.