Most of the six fingers of newborns are caused by congenital developmental abnormalities, related to genetic factors, environmental factors and drug factors; need to be based on the specific circumstances of the implementation of symptomatic treatment under the guidance of the doctor, choose the appropriate timing of treatment, to avoid delaying the condition. 1. Genetic factors: most of the six fingers are hereditary diseases, one or both parents have a family history of genetic disease, the prevalence of newborns significantly higher. 2. Environmental factors: mothers are affected by adverse environmental influences during pregnancy, and if they live in heavily polluted areas for a long time, it is easy to induce fetal six-finger deformity, and at the same time, damage their own health. 3. Drugs: Mothers who have taken certain drugs during pregnancy may also cause six-finger deformity in their newborns, such as hormone drugs, etc. It is recommended that mothers strengthen their daily care during pregnancy. It is recommended that mothers should strengthen the daily care during pregnancy, do not blindly use drugs, and consult the doctor in detail when medication is necessary, so as not to affect the development of the fetus. Newborns with six-finger deformity need to seek medical treatment as soon as possible, and the doctor should formulate an appropriate treatment plan.