A 3.5-year-old girl, with unclear pronunciation, uses her fingers to press down her tongue, and says

Patient's question:

No

Doctor's answer:

Hello, considering the child's situation, there are two possibilities: one is to consider whether there is a delay in development, malnutrition, or calcium deficiency; the other is whether there is a problem with the nervous system.
Regarding the child's condition, it is recommended to visit the hospital promptly for examination. If there is a calcium deficiency, it is important to actively supplement it, pay attention to diet, and engage in more training. If there is a problem with the nervous system,