This Book shows the interaction of mouth shape with different variables and shows whether there exist a relation between the mouth shape and variables or not.This book is written on new research, For this purpose the data is taken from Baha Uddin Zakariya University,Multan,Pakistan. Statistical Analysis is performed for research purpose by using MS-Excel, t-Test and Standard Deviation.p-Value was used to find the relation of Mouth Shape With Different Variables. Hope You Like This Research!