Objective To observe the effect of physical factors and promotion canalization on closed injury of brain.Method 68 cases of closed injury of brain were given the comprehensive rehabilitation therapy with many physical factors and promoting canalization technique.Result The patients consciousnesses were significantly improved after treatment.The motorial function of hemiplegic limbs was distinctly improved(P< 0.05).The balance functions were distinctly improved(P< 0.001).The activities of daily living abilities were significantly improved(P< 0.05).Conclusion The physical factors and promoting canalization treatment on the closed injury of brain are functionally effective.