"A Birthday Full of Best Wishes for My Son" would be a more grammatically correct and clear phrase. This expression conveys the idea of sending heartfelt birthday wishes and best wishes to one's son on his special day, expressing love and the hope for a wonderful celebration.

A son is a treasure, he is a person who comes into our life to give a 360 degree change, but without a doubt to make us happy. His birthday is a celebration for the whole family as it is a day of joy and happiness.