**5. Conclusions**

In regard to early warning signs and prodromal symptoms of AECOPD patients, COPD patients recognize the warning signs and prodromal symptoms according to their individual experiences. If they able to early recognize the warning signs and prodromal symptoms, they will able to manage it rapidly by themselves or their care givers. As a result, COPD patients will not have the declining of PFT immediately, decreasing of mortality rate, and have a better quality of life. Consequently,

healthcare professionals should help and provide the recommendation about early warning signs and prodromal symptoms of AECOPD to COPD patients in order to make it through COPD illness in a period of time during with the patients can learn this knowledge on their own.
