Problems often encountered in tourism, such as acclimatization, easy to cause diarrhea, or colds, avoid heatstroke and mosquito bites in summer. So you usually bring Radix Isatidis, Shuanghuanglian, Baoji Pill or oxytetracycline to prevent diarrhea, Huoxiang Zhengqi water to prevent heatstroke, toilet water and essential balm, and remember to bring a band-aid.