Wang Xiaojun is 12 years old.he lives in the country in Hubei province 。today is his birthday。his parents prepare a nice dinner for him,but the boy says,“I won't have the dinner because after the dinner,today is over ,and parents are leaving for Shenzhen tomorrow。I don't want to let you go。”it is the first birthday that Wang xiaojun is spending with his parents in three years。In the past three years,his parents stayed in Shenzhen and worked to make money。They haven't seen their son for three years。tomorrow they will have to leave home to go to shenzhen。Wang is not the only stay-at-home child,there are more than 20 million children face a lot of problems.many of them stay with their grandparents.they get less care from their parents.their parents can't hlep them with their study.The Chinese govenment now cares about the children very much and is trying to solve their problems.