How to reply to the birthday greetings of elders?

You can reply to the greeting message of the elder's birthday:

Dear elder, thank you very much for celebrating my birthday and sending me warm wishes. Your concern and support for me all the time have made me feel extremely lucky and cherished. May we spend a healthy, happy and memorable time together.

Dear elders, I am deeply honored and happy to receive so many beautiful and sincere birthday wishes from you on this special and unforgettable day. May we keep close contact and create more indelible memories and laughter.

Dear elders, thank you for your concern and endless love, and thank you for bringing me warm, comfortable and quiet words today. May this year bring us health, peace and success, and enjoy every moment surrounded by our families.