Children’s fluoride toothpaste itself belongs to the category of efficacious toothpaste. Toothpaste is mainly divided into two categories: the first category is ordinary toothpaste, and the second category is efficacious toothpaste. Efficacy toothpaste is divided into many categories, such as whitening, anti-cavity, anti-caries, anti-bad breath or medication type of efficacy toothpaste, fluoride toothpaste belongs to one of them. If children’s fluoride toothpaste has to be classified, it can only be classified by brand or the concentration of fluoride used. The latest fluoride guidelines are that children can also use fluoride toothpaste, but they need to pay attention to the dosage. Generally, children under 3 years old should brush their teeth twice a day with the size of a grain of rice, while children between 3 and 6 years old should brush their teeth with the size of a pea.