There is no taboo when writing the word "shou", but young people must not write the word "shou" on their birthdays (there are elders in the family).
Taboos of adding longevity peaches on cakes
1. Having pine trees and longevity peaches on the cake contains blessings of longevity, health and happiness.
2. Peach means longevity, so it is also known as fairy peach and longevity fruit. In ancient China, when an elderly person celebrated his birthday, his children would put birthday peaches on the table in the hope that the elderly person could live longer. Therefore, it symbolizes longevity and longevity.
3. The meaning of pine trees is strength, elegance and longevity. Because pine trees have tenacious vitality, they can grow vigorously in both hot weather and cold seasons.