Patient: Description of the condition (onset time, main symptoms, hospital visited, etc.): Since the full moon, my daughter has the habit of sucking her fingers, every time she sleeps, she will unconsciously suck her fingers, after she falls asleep, I will take her fingers out, but she will put them in again, now she is 3 years old, scolding is useless, so the two teeth on the left side grow upwards a bit, as if the dental bed is also upwards a bit. What can I do to help her to correct it? I wonder what can be done to make her change this bad habit. Zhang Tong: Hello! Finger sucking is a very normal behavior for infants and toddlers, so there is no need to be too anxious about it. However, your child should make a conscious effort to correct it. 1. bring a finger sleeve for the sucking finger; 2. there are some safe orthodontic options in dentistry; 3. mental psychological comfort, not just stop it.