Daqingshan Site is a special reminder: 1. Tourists can buy down trousers and woolen trousers locally, which are cheap, thick and cold-resistant. In addition, wearing a hat, scarf and gloves is absolutely safe. 2. The temperature difference between indoor and outdoor in Northeast China is very large, cold and heat alternate, and it is very susceptible to colds, so it is better to take medicines such as cold medicines. 3, in cold and dry climates, the hands are easy to prick, and the lips are easy to dry. 4. In Harbin, the shutter of professional cameras will be too cold to open. Therefore, if you take professional cameras, you must pay attention to the machine's warmth. 5. Happy to visit the local family, you can try to eat on the kang. It's very interesting. If you sleep on the kang, it's easy to catch fire. You should drink more boiled water and eat more fruit after getting up.