To explore the clinical efficacy of gold micro-needle radiofrequency in the diagnosis of striae gravidarum, it was performed on 10 patients. Then, the efficacy was evaluated 2 months after last treatment. The skin elasticity on abdomen was compared before and after treatment. It was found that the effective rate was 80% 2 months after the last treatment, the skin elasticity in the abdomen improved after the treatment, and the skin melanin index decreased ($P\lt $0.05). The average pain score was 3.13. In conclusion, gold micro-needle radiofrequency is effective in the diagnosis of striae gravidarum.