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Background: Posttraumatic growth is known as the experience of positive changes in psychological aspect as a consequence of a struggle in major crises in life and has significant impact on the quality of life and survivorship trajectory of cancer patient. Purpose: The aim of this study is to evaluate the psychometric properties of Posttraumatic Growth Inventory Short Form (PTGI SF) Malay version and to identify the sensitivity and specificity of the scale. Methods: Back translation procedure was carried out and PTGI SF Malay version was administered to 102 cancer patients and 100 non-cancer patients. The evaluation of psychometric properties in this study included content validity index, internal consistency, parallel reliability, construct validity (convergent and discriminant), concurrent validity, sensitivity and specificity of PTGI SF Malay version. Results: PTGI SF Malay version demonstrated good internal consistency and parallel reliability. Discriminant and convergent validity were established thus confirmed construct validity and five factors model of PTGI-SF Malay version was supported. The result of sensitivity and specificity of PTGI SF Malay version indicated that cancer patients who scored more than 35.5 were having significant post traumatic growth. Conclusion: PTGI SF Malay version is a reliable and valid instrument to measure post-traumatic growth among cancer patient in Malaysia. The results can be used as reference for other researchers to identify the significant score of posttraumatic growth among cancer patients. The findings may benefit future study in determining trajectory of posttraumatic growth and in evaluation of the efficacy the potential intervention to inflate the growth.