I think recover is better than improve . Because if you go to a hospital , you must be sick , the doctors there will treat you ,and your health will be recovered but ,if you are healthy,how can the doctors improve it ?
And ,you said "is based on" ,it is passive, I don't think you need to use a passive voice in this sentence. I think what you wanted to express is ??????? if you use it ,it will be understood as ??????? so I think you just need to use "bases on" or omit "based on" But in fact ,"our tenet is ...." is better than "our tenet bases on.." because if translated into Chines
It appears that your task is to translate into English a sentence from some other language. Is that correct? If so, you'll do better with a translator who understands both languages very well.
The tenet of our hospital is based on relieving our patients and improving their health. / The tenet of our hospital is curing patients and recovering their health.
The expressions you offered have all took the words out of my mouth. Personally, I prefered the middle one to the other two, just because it is terser than them. Actually, I need to make it a slogan.
But, I dislike a sentence beginning with "it".
Can the sentence be reworded as:
The mission of our hospital is relieve pain and improve th