Cutaneous cavernous hemangioma is a congenital abnormality of skin development. It is often located in the subcutaneous or submucous membrane, and consists of capillaries composed of loose stroma and relatively mature endothelial cells, which are soft and elastic, resembling sponges and so named. It is relatively common in the clinic. In the past, oral hormone, injection sclerotherapy, 32P or 90Sr dressing treatment was used, and the efficacy was not good. We started to use 32P colloid to treat cavernous hemangioma by local injection from April 1999, and achieved better results. The subjects: 43 males and 52 females among 95 patients; 62 cases within 1 week of age, 25 cases between 2 and 5 years of age, 6 cases between 6 and 10 years of age, and 2 cases above 11 years of age; 46 cases located in the head and face, 28 cases in the trunk, and 21 cases in the limbs. There were 81 cases of single-occurrence and 14 cases of multiple-occurrence. The surface area of hemangioma was less than 5cm2 in 57 cases, 6-10cm2 in 27 cases, 11-20cm2 in 8 cases, and more than 20cm2 in 3 cases. Methods: 32P colloid (colloidal chromium 32-phosphate) injection was provided by the Institute of Atomic Energy, the particle size is between 0.5-5mm, light green, non-toxic, and can be mixed with saline and dexamethasone injections. 32P colloid preparation: take the 32P colloid stock solution, and add it to saline injections and dexamethasone injections according to 7.4MBq/ml (per 74MBq 32P colloid). Add dexamethasone 5mg per 74MBq 32P colloid), ready to use. Dosage: 740KBq/cm2, injection method: after routine disinfection of local skin, the injection needle was inserted along the base of the hemangioma, and the drug could be injected when there was blood return and the direction of the needle could be changed, and the larger hemangioma was injected at multiple points, so as to make the whole hemangioma injected uniformly, and the patient could be followed up after 3 months, and the local injections could be carried out again if it was healed at the end. The number of injections for the same lesion should not exceed 4 times. Results: The efficacy of the treatment was divided into: cured: the hemangioma completely disappeared, the local skin color was normal or only a few traces were left; obvious effect: the tumor was reduced by more than 1/2, and the local skin color was normal or close to normal; improvement: the tumor was obviously reduced, but less than 1/2, and the local skin color was changed to different degrees; ineffective: there was no change of the tumor or even it continued to develop after the treatment. Results: 89 cases were cured, accounting for 93.7%, 4 cases showed obvious effect, accounting for 4.2%, and 2 cases improved, accounting for 2.1%. Among them, 66 cases were cured at one time, accounting for 69.5%.