happy new year to you all!

I started this thread for some (non) vital information for traveling to the east.
Now, my elder brother is leaving for China this friday for business, to a place four hours north from the capital. He is there for one week and stays in an hotel. he only does day travel during his stay. Now my question is what last minute preperations should he make, what is vital to bring, what should he absolutely not bring and how can he make his stay as pleasant as possible.

he has got his visa and injections. He is advised not to touch animals, or drink water, ice or eat vegetables washed.

thanks in advance,
Ryan