Among the wide variety of candies in the supermarket, there is no doubt that lollipops are the favorite of children. However, when you face the enthusiasm of children for lollipops, your attitude and the way you handle them may have a deeper impact on a child before three years old than you can imagine. First of all, we have to analyze one of the current consensus of many parents: “Eating candy will lead to tooth decay, not eating candy will not lead to tooth decay, in order to avoid tooth pain, so you can’t eat candy”. Is it true? Analysis: Caries is caused by the fermentation and acid production of sugar-containing food (especially sucrose) in the dental plaque after entering the mouth, and these acids (mainly lactic acid) invade from the weak place of pressure surface structure and dissolve and destroy the inorganic material of teeth. In this process, the following important conditions must be present: 1) caries-causing bacteria; 2) sugar, the material basis for bacteria to carry out metabolic activities and form dental plaque; 3) plaque, the ecological environment for bacteria to metabolize and cause disease on the tooth surface, which makes bacteria ferment sugar The acid produced can reach a certain concentration on the tooth surface (below the critical pH); 4. Susceptible teeth . Discuss: Dental caries is a multifactorial disease, mainly including three aspects: bacteria, diet, teeth and saliva, all three are interrelated, and caries cannot occur without one aspect. In the process of caries formation, diet is an important actor of bacteria. Food contains a lot of carbohydrates and sugars, these substances not only supply energy for the living and activities of bacteria in the plaque, but also produce organic acids by glycolysis through bacterial metabolism, the acids stay on the tooth surface and in the sulcus for a long time, causing enamel demineralization and destruction, and then some bacteria dissolve the proteins to form cavities. There are many caries-causing sugars, the most important one is sucrose. Current scholars believe that saliva, as the external environment of teeth, is an important factor affecting caries. Saliva is the external environment of teeth and plays the role of buffering, washing, anti-castor or anti-bacterial. The saliva with large amount and thin can wash the surface of teeth and reduce the accumulation of bacteria and food debris. Saliva that is less abundant and thicker tends to retain and encourage plaque formation and adhesion to the tooth surface. The nature and composition of saliva affects its buffering capacity and the living conditions of bacteria. Preliminary conclusion: eating or not eating lollipops is not the only necessary condition for the occurrence of dental caries. Let’s look at it again, the idea of children eating lollipops belongs to an egoic desire, and people’s opinion about egoic desire may be glimpsed by our attitude towards a lollipop. Children’s initial attitudes toward their desires are influenced by the perceptions of their parents or others in their environment, and it is possible for a child to look inside themselves and choose to repress their desires or give them a release. Let’s compare the two different views, not to mention whether the parents based on the principles of science, but in the moment of each child, that is the only way to deal with their own desires. One kind of parent: demands that the baby cannot eat lollipops because they grow cavities. The child’s desires are not accepted and understood, he will think his desires are unreasonable and thus learn to repress himself or deny himself. Parents accidentally plant the seed of entanglement in the child’s heart, one voice comes from the desire of the self, and the other voice comes from the denial of the desire of the self brought to him by his parents. Another type of parent: first affirms that it is good for the child to want to eat the lollipop, and then gives the child two choices: either eat the lollipop and then brush his teeth carefully, or give up the idea of eating the candy. The child who chooses to eat the candy and then brush his teeth learns not only how to be honest about his desires but also how to be responsible and accountable.