If it is the teething period and the Bichon Frize’s teeth are itchy but cannot find anything to bite, the house will break down. Therefore, the owner needs to prepare some teething sticks or dog chews and other toys for the dog to reduce the chance of it chewing things randomly. Human probability. If the Bichon Frize gets up in the middle of the night and makes a lot of noise, the owner needs to increase the dog's walking and playing time to consume the Bichon Frize's daily energy. If this habit has been developed since childhood, it is difficult to change. The owner needs to stop it every time it bites, hold its mouth, and reprimand it loudly. After repeated many times, it will stop. Gradually I was able to change.