More then 100 kinds of herbal grown in Kashgar, thus there must be traditional herbal hospital in Kashgar. It usually with the name of '中医院'.
Kashgar is mainly a muslim city in China. Most people here are muslim, thus you could easily find halal food in most restaurants in Kashgar with the name of '新疆' or '清真'. You'd better try to find a translator at the local travel agency or local translation agency. There is direct international bus operating between Pakistan and Kshgar. You can take it.