The specific content should be adjusted according to actual conditions and ensure that the information is accurate.

When writing an obituary for the death of an old man, you usually need to include the following key points: Title. Write the word "obituary" in the center of the top of the obituary. You can also add the name of the deceased, for example: "Mr. Zhang's obituary" ". Beginning of the text: State the full name, gender, identity (such as retired teacher, former employee of a certain unit, farmer, etc.) and ethnicity of the deceased.

Death information: Detailed description of the cause of death (such as due to illness and ineffective treatment) and the specific time of death (both Gregorian and lunar calendars are acceptable, accurate to the day and hour).

Place of death. The final years of life are usually expressed in terms of "years old" or "years old", such as "living at the age of eighty-eight".

Life summary: Briefly introduce the deceased’s important life experiences, work achievements, social contributions or family roles, etc.

Funeral arrangements: Notify the time and place of condolences, including the specific time and place of wake, memorial service, farewell ceremony or cremation and burial. If there are any special wishes, such as a simple funeral, a specific way of saying goodbye, or whether to accept wreaths and elegiac couplets, etc., these should also be noted here.

End and signature of family members: express gratitude to the relatives and friends who came to express condolences, and be signed by immediate family members, such as: "Unfilial son (name) kowtows in tears" or "(eldest son's name) and the whole family supplicate".

Provide contact information (optional) so that relatives and friends can confirm details or express condolences.