How can one travel to Huaihua TCM Hospital by air from Lagos, Nigeria

Frist you need to fly to Guangzhou and then take the domestic planes to reach Huaihua Zhijiang Airport. After you can take the shuttle bus at the Gate of Arrival Hall to reach Zhijiang City. From there, you can take a taxi to reach the hospital.
Actually, you can contact the hospital in advance, then the staff will meet you at the airport. And they will help you to arrange your journey for you.