For children in the lower grades of primary school, the contrast between age and teeth is small, and their understanding ability and self-control ability are poor. This is because many children have problems such as carelessness, which is very unfavorable to their growth. Therefore, teachers and parents should accept targeted steps to help them correct their mistakes and fallacies in this respect. ..... Specifically, the key points to help lower-grade children correct careless mistakes and fallacies include explaining the risks of carelessness to children, helping them to establish good habits of hard work and earnest work, and setting an example for them to learn. 1, explain the risk of carelessness to lower grade children and help them get rid of this bad habit. For junior children, with few resumes and poor understanding ability, it is difficult to realize the risks brought by carelessness. This is also the basic reason for the careless bad habits of many junior children. One of the responsibilities of teachers and parents is to explain the risks brought by carelessness to these children and help them get rid of this bad habit, thus helping them grow and improve. 2. Help children in lower grades to establish and establish good habits of hard work and seriousness, so that they can grow up healthily. It is not enough to explain the risk of carelessness to the children in the lower grades. Only by helping them to establish and establish a superior habit of hard work and serious work is the most meaningful to them. ..... For teachers and parents, it is most beneficial for their growth to help these junior children gradually develop the good habit of studying hard and being meticulous through consistent guidance and teaching. 3. Parents and teachers set an example for their children to learn further. In the process of educating children, example is more important than words and deeds. Teachers and parents use their own practical steps to set an example for children to learn, which has the greatest influence on children and the most obvious effect. ..... In detail, on the topic of helping junior children to correct careless mistakes and fallacies, teachers and parents have left a thorough impression on their children in their usual words and deeds, which in turn has a particularly great impact on their pregnancy, so that children can leave carelessness earlier and establish a superior habit of hard work and carefulness, which may lead to healthier growth.