Objective To study the value of 90 Sr treatment for capillary haemangioma and hypertrophic scar. Methods 13 patients with skin capillary haemangioma, 76 patients with skin proliferative scar, and 21 patients with operative scar were treated with 90 Sr. We treated the patients with capillary haemangioma with different radiative dosage and through seperative radiation according to the patient’s age. We treated the patients with skin proliferative scar with seperative radiation and total 2 000~3 000cGY. Results The treament results of the patients with capillary haemangioma were of cure rate 85%, and effective rate 15%. The total effective rate of the patients with proliferative scar was 76%. Conclusion As long as we master indications seriously and select and regulate radiative dosage and times, we can get fine clinical results.