How to choose a Tibet travel agency correctly?

Most people have mild or severe altitude sickness when they first arrive at the plateau. There is generally no rule for what kind of people will have altitude sickness. The best way to avoid or reduce altitude sickness is to maintain a good attitude and face it. Many reaction symptoms are psychological or caused by psychological effects, such as: fear of altitude, lack of mental preparation and determination to overcome altitude sickness. People are more likely to suffer from altitude sickness. It's normal to experience altitude sickness. Don't be nervous. Generally, you can adapt well after resting for 1-2 days. Recommendations for new arrivals in plateau areas: >> Do not walk quickly, let alone run, or do physical labor. >>Do not overeat to avoid aggravating the burden on the digestive organs, and do not drink or smoke. >>Eat more vitamin-rich foods such as vegetables and fruits, and drink appropriate amounts of water. >>Keep warm and take less baths to avoid catching colds and consuming physical energy. >>Don’t take oxygen at the beginning, try to adapt to it yourself, otherwise, you may never be able to do without oxygen at the plateau (very strong dependence).