Background: Hallux valgus is common foot  deformity  in adult population , hallux valgus deformity is also known as splay foot or bunion .In this deformity big toe move to lateral side of the foot and protruding of the first metatarsal  bone to outside and angle between big toe and second is decrease. Objective of this current study was to evaluate the prevalence of hallux valgus deformity in adults.

Method:  This is a cross sectional study was done through non probability  sampling technique. Taking history on Performa from 215 different age group participants from 18 -50 year old who were selected to the general population of district Punjab Gujarat of  Pakistan . Goniometer and VAS  Scale is use to find out the hallux valgus deformity of foot  in adult and their level of pain . Descriptive method of statistics was used for frequency and Percentage . Data analysis was done in IBM SPSS Statistics 21.

Result: Sample of  112 female participants and 103 male participants included , left foot of female was more effected  male having 47.9% of hallux valgus and female having 52.1% . Left foot 54.0%  , bilateral foot 28.4% show hallux valgus deformity, Occupations students having30.2% of hallux valgus deformity, house wife showed 27.0% , and 80.5% of participant having hallux valgus deformity statistical significant p-value <0.001, BMI body mass index of participants having 30.14±5.26 .

Conclusion: Hallux valgus deformity is more common in younger adult as compare to older and there severity is varied from person to person but most of them having mild deformity without any pain but having pain when they put their feet in shoes for most of the time. Result show that hallux valgus 20 degree is more common in adult female population , foot wear , weight , shoes shape play major role in the formation of hallux valgus deformity of foot

Key words: Hallux valgus, Metatarsophalangeal  joint , Prevalence , Body mass index