Crowded teeth in 8 year old children are recommended to be observed first and not rushed into orthodontic treatment. At this time, due to the period of tooth replacement, the occurrence of malocclusion and crowding is usually temporary and can be regulated by jaw development. Orthodontic treatment is usually waited until the age of 11 to 12 years old. 8-year-old children’s teeth in the growth, the occurrence of malocclusion and crowding, usually temporary, can be changed through the bad habits, chew more hard food, stimulate the growth of the lower jaw, generally minor crowding can be corrected. Orthodontic treatment should wait until after permanent teeth are replaced. However, there are some cases that require orthodontic treatment, such as abnormal eruption and tooth replacement during tooth replacement, or premature tooth loss due to dental caries, it is necessary to go to the hospital in time to prevent more serious crowding. For some common crowding, it can usually be corrected after (11 to 12) years of age. Children with crowded teeth at the age of 8 are advised to seek timely medical attention and treatment as prescribed by the doctor to avoid delays.