Are parents the best teacher of children? Parents give us life and devote all care and emotion to us. They are the first teacher in our life. However, despite all of those, there still exist some problems in educating children. Parents'bad habits certainly influence children. Addition to bad habits, without professional knowledge and incorrect value-attitude will also bring bad effect to children. Parents are the first teacher of children. According to XinHua newspaper, which says that parents' expression can influence the growth of their children' character deeply. The parent's bad habits easy to be imitated by children. And parents accompany their children for a long time, there must generate negative effect gradually. Not only the bad habits do harm to children, but also the lack of professional knowledge has consequence for them. There is no doubt that parents teach a great number of things, but children need to take the college entrance examination. Thus, they need more professional knowledge. Another worryed part of this is the incorrect value-attitude that parents bring. Parents certainly have more experience, whereas those may carry incorrect value that be pressed on the children. Children can not choice and decide their own life, which will be influenced to a great extent. Parents contribute the whole energy to children, such as teaching in life, study. which must be praised. Yet parents are not only putting children's good habits at risk, but they are losing proper value and professional knowledge. So, parents need to find the best teacher for children.