Disclosed is an extract of Perilla frutescens seeds that contains rosmarinic acid, luteolin, and apigenin, the weight ratio between rosmarinic acid, luteolin, and apigenin being 0.1-200:0.1-200:1. Also disclosed is a method for treating a psychiatric disorder using the above-described extract or an extract of Perilla frutescens seeds containing at least an active agent selected from the group consisting of rosmarinic acid, luteolin, and apigenin.本發明係關於一種包含迷迭香酸、木犀草素、芹菜素之紫蘇種子萃取物,其中迷迭香酸、木犀草素、芹菜素的重量比為0.1~200:0.1~200:1,亦關於使用前述萃取物或者使用一至少含有迷迭香酸、木犀草素、芹菜素其中一活化劑之紫蘇種子萃取物來治療精神障礙。