Climbing a high altitude mountain without oxygen tanks is a very challenging task and requires adequate preparation and careful measures. Here are some suggestions for dealing with hypoxic conditions: 1. **Gradually acclimatize**: Try to do high altitude acclimatization training before climbing, gradually increase the altitude so that the body can adapt to the low oxygen environment. 2. **Stay hydrated**: At high altitude, the body is easily dehydrated, so stay hydrated to avoid fatigue and altitude sickness. 3. **Control your pace**: Walk at a slow and even pace to avoid excessive physical exertion and reduce oxygen consumption. 4. **Avoid drinking and smoking**: Both of these will aggravate the body's hypoxic reaction, try to avoid consuming them before and during the climb. 5. **Sufficient caloric intake**: Make sure to consume enough food, especially high-carbohydrate foods, to provide energy support. 6. **Use breathing techniques**: Learn some breathing techniques, such as slow and deep abdominal breathing, to help improve oxygen intake efficiency. 7. **Choose the right climbing route and time**: Try to choose relatively simple climbing routes and avoid climbing in extreme weather conditions. 8. **Monitor your body’s reactions**: Pay close attention to your body’s reactions and identify the symptoms of altitude sickness, such as headaches and nausea. If severe symptoms occur, you should descend immediately. 9. **Peace with your companions**: It is best to climb with experienced teammates so that you can look after each other and make emergency plans. 10. **Consider other alternatives**: If conditions permit, consider taking a cable car or choosing a relatively low-altitude peak. There are many risks in high-altitude mountaineering. If you lack the necessary equipment, especially oxygen cylinders, you must act with caution and choose to give up the summit if necessary to ensure your own safety.