Cancer patients can maintain survival through the following points:

1. Undergo Standardized Treatment: Follow the doctor's recommendations and receive formal treatment, including surgery, radiotherapy, chemotherapy, targeted therapy, etc. This is the most important method for maintaining survival.

2. Maintain good lifestyle habits: Eat a balanced diet, engage in appropriate exercise, ensure adequate sleep, and avoid excessive fatigue.

3. Maintain a positive mindset: Cancer patients may face significant psychological stress, but maintaining a positive attitude and optimistic emotions can greatly aid in treatment and prognosis.

4. Regular follow-up appointments: Regularly monitor your physical condition, promptly identify and address issues, which can help extend survival.

5. Seek support: Communicate with family, friends, doctors, and other cancer patients to share experiences and feelings, gaining support and encouragement.