The research has been done to analyze changes of patients' quality of life at the first stage of rehabilitation after hip replacement. 140 patients undergone total hip replacement were surveyed (73 female and 67 male, average age (57,0 ± 9,0) years old) . The patients were divided into two groups: I group - 52 persons at the age under 55 years old (average age (48,0 ± 4,0) years old); II group - 88 persons at the age of 56 and older (average age (62,0 ± 6,0) years old). Pain intensity according to VAS scale, joint range of motions, limb length, muscle strength were detected as well as indices of quality of life by means of SF-36. The research was done before operation and in 10 days after operation. It has been stated that at the first stage of rehabilitation all the patients had abatement. Life quality improvement according to VT scale, social functioning, mental health and psychological health component was observed in patients of the I group. Life quality deterioration according to VT scale and social functioning was detected in the II group.