凤眼草俗名樁荚、春铃子,系苦木科植物臭椿树之成熟果实。多年来笔者每遇偏头痛患者即用凤眼草治疗,均获良效。用法。凤眼草3～5克,加水200毫升,煎沸1～2分钟,滤汁,分两次温服,日一剂。但须注意:该药煎逾10分钟则味芒涩,性寒,善清下焦湿热,对头痛效差。验案举例:例1:张××,女,40岁,农民,1984年12月5日来诊。患偏头痛17年,每于行经前后频繁发作:左侧搏动性疼痛,伴心慌、头晕,每次持续数小时,服中西药治疗效果不佳。今正值经期,头痛复作,求余诊治, Poisonous water hyacinth, commonly known as piles and spring bells, is a ripe fruit of the Ailanthus amurensis tree. For many years, the authors have received good results for every migraine sufferer treated with Eichhornia. usage. Water hyacinth 3 ~ 5 grams, add 200 ml of water, boiling 1 to 2 minutes, filter juice, in two warm clothes, a day. However, it should be noted that: If the drug is fried for more than 10 minutes, it will be astringent, cold, and clear. Examples of case verification: Example 1: Zhang X, female, 40 years old, farmer, visited on December 5, 1984. Suffering from migraine for 17 years, each episode frequently occurred before and after the menstrual period: left side pulsatile pain, palpitation, dizziness, and persistence for several hours each time. This is the time of menstruation, headache resumption, seeking diagnosis and treatment,