is there any HALAL fast food restaurant in Shanghai?

What kind of fast food do you want, hamberger?
If you mean the hamberger or so, there is no in SH, but there are halal food restaurants in SH.
If you want to know some halal food restaurants, you can tell me your position, so that I can tell you the detail information.

There is one fast food halal in caoyang road. Take metro line 4 drop off in caoyang road station then take exit number 2. It's name DGENE