The study create of tools used in the data collection, evaluate postpartum perineal pain by Numeric pain score comparison of pain score before and after the use of the happy seat. Personal Information include age, marital status, religious, education, occupation and family style. Data on pregnancy and delivery: BMI prenatal, the number of pregnancies, the number of birth, the accept of this pregnancy, duration of labor and neonatal weight. This data collection from an interview the postpartum mothers and chart. Satisfaction evaluation form, due to applying the Happy seat of 6 items.