Which bus should I take from Taihua Road in Xi 'an to the Second Affiliated Hospital of Shaanxi Middle School?

Bus route: No.17 → Metro Line 1 → Auxiliary No.21, the whole journey is about 31.4 kilometers

1. Walk about 25 meters from Taihua Road to Daming Palace National Heritage Park Station

2. Take No.17, pass 4 stops, and arrive at Wulukou Station

3. Walk about 2 meters to arrive at No.5. Arrive at the subway station of Shouweizhai

6, take the No.21 bus, pass 19 stops, arrive at the No.2 Textile Hospital Station

7, and walk about 13 meters to reach the No.2 Affiliated Hospital of Shaanxi Middle School.