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The objective of this research is to acquire an appropriate method of tanning furcess of snake skins having soft and smooth surface of finished leather, can be used to manufactore export quality goods an assist small scale industries in improving their products quality. A hundered and twenty pieces of najan Sputatrex L. cobra snake skins were imployed as raw material in this study. In pretanning, formaline to soften and smooth the surface of the finished leather, was used the formula of which was 100 % water 6 % NaCl, 4% formaline and 1% Na2CO3. The samples then were separated into six groups. Each group was retanned with chrome, syntetic, vegetable, tanning agent and processed using IRDLAI method to be finished leather. The finished leathers then were visually inspected about their flexibility, compactness, the softness, the smootnees of the skins surface, shades and the change of the shape when stretching. They were also subjected into physical test of colour fastness. The results of the test were statistically (CRD), and “Duncan”test method analysed. It could be concluded that the best result was achieved by snake skins which were pretanned using formaline and retanned using chrome-vegetable tanning agents.