Forty-nine samples of Indomethacin capsules preparations purchased from warket were analyzed by a dissolution method and also by a High performance Liquid Chromatographic. Method described in USPXXI. The results indicated that 95.9% of the samples' Assay met the requirements in USPXXI. However, only 65.3% of the samples passed USPXXI specifications of the results of dissolution that were also taken into consideration. The facts implied that the quality of the Indomethacin capsules in the dissolution test must be improved immediately USPXXI. However, only 65.3% of the samples passed USPXXI specifications of the results of dissolution that were also taken into consideration. The facts implied that the quality of the Indomethacin capsules in the dissolution test must be improved immediately.