The anatomical morphology of the lip and nose is very important for cleft lip surgery. The purpose of this study was to analyze the morphology around the nose and mouth in normal babies. We took photographs of 410 normal Japanese 3-to 5-month-old babies' faces from the same distance using a head fixation and photo apparatus to examine the difference in sex and both side as well as possible correlation among various determined. items. The results obtained are as follows.
1. Standard values were obtained for normal Japanese 3-to 5-month-old babies' faces.
2. Males had larger values than females in almost all items examined.
3. Determined values in transvers direction left side were larger than those for the right side.
4. No correlation was observed in this study.