Objective To evaluate the efficacy and safety of Propranolol hydrochloride gel in the external application treatment of superficial hemangioma in infants. Methods We selected 60 infants with superficial hemangioma treated in our hospital from May 2015 to May 2017 and to randomly divide them into the observation group and the control group, each with 30 cases. The control group was treated with Propranolol hydrochloride tablets, and the observation group was treated with 0.5% (20 g∶100 mg) Propranolol hydrochloride gel external application method, the course of treatment was 3 months.We observed the therapeutic effects and adverse reactions of the two groups. Results After treatment, with the Achauer evaluation, patients with grade Ⅰ had 1 case, grade Ⅱ 6 cases, grade Ⅲ 12 cases, grade Ⅳ 8 cases, Ⅴ-grade 3 cases, and the total effective rate was 96.67% (29/30), while the grade Ⅰ, Ⅱ, Ⅲ, Ⅳ, Ⅴ in the control group included 2 cases, 8 cases, 10 cases, 6 cases, 4 cases, and the total effective rate was 93.33% (28/30), there was no significant difference between the two groups (P>0.05); The hemangioma peak flow and resistance coefficient of patients in the two groups were significantly improved than that before the treatment (P<0.05), and all with no statistically significant difference between the two groups (P>0.05). As to the adverse reactions, except the applying parts of 3 cases having rubefaction occurred in the observation group, two groups of patients had no serious adverse reactions. Conclusion External application of Propranolol hydrochloride gel in the treatment of superficial hemangioma in infants is effective, safe and reliable. It is worthy of further promotion in clinic.