To evaluate the effectiveness of the sandplay therapy in the alleviation of insomnia,using the Pittsburgh Sleep Quality Index(PSQI),20 college girls with insomnia were selected and an equal-group was designed.The results showed that after the intervention,the PSQI score of the experimental group is significantly less than counter group’s.The falling asleep hours of the experimental group had significant reduced,and their day dysfunction had meliorate significantly,all these indicates the effectiveness of sandplay therapy in improvement of sleep quality of the insomnia college girls.