Traditionally,Chinese doesn't pay too much atttention for birthday not until sixty years old.The age sixty plays an important role in a person's life.A big celebration will carry out on this particular birthday.After that another celebration will take place every ten years and onwards,that means seventy years old,eighty years old and so on until the end of the life.In general,the older one's gets,the bigger the celebration.Birthday party usually hosts by the children to congratulate their parents.This is a way to express their sincere thanks and respect to their parnets.