In China, it's happy for a child to celebrate(庆祝)his or her birthday by their parents. Their parents will put a cake on the table. The cake has some candles(蜡烛)as child's age. During the party, the candles will be bit(点燃) and the birthday child blows the candles out with one blow(一口气吹灭). He or she can make a birthday wish(许愿). His or her friends and family members sing the song “Happy birthday to you” and eat birthday cake. They give gifts(给礼物) to the birthday child .