对晕痛定治疗各种头痛、头晕的作用进行了分析，对３０８例头痛症状的总显效率为６１％，总有效率为８９．９％；阿斯匹林对照组６９例，显效率为４２％，总有效率为８１．２％。对１０８例头晕症状总显效率为５６．５％，总有效率为８３．３％。眩晕停对照组３５例，总显效率和有效率分别为２８．６％和６８．３％，经统计学处理，差异显著，（Ｐ＜０．０５），且具有副作用小的优点。 The effect of diphenhydridine on various headaches and dizziness was analyzed. The total effective rate of 308 symptoms was 61%, and the total effective rate was 89.9%. Aspirin control group was 69 cases, and the apparent effective rate was 42%, the total effective rate is 81.2%. The total effective rate of 108 cases of dizziness symptoms was 56.5%, and the total effective rate was 83.3%. Vertigo control group of 35 cases, the total effective rate and effective rate were 28.6% and 68.3%, respectively, statistically, the difference was significant (P <0.05), and has the advantage of small side effects.