英语作文介绍自己的写作步骤和要点如下：

开头

可以直接介绍自己的姓名和年龄，例如：“My name is [Your Name]. I am [Your Age] years old.”

或者以打招呼的方式开始，例如：“Hello, everyone. My name is [Your Name].”

基本信息

介绍自己的就读学校、年级和班级，例如：“I am in [School Name]. I am in [Grade] and [Class].”

可以提及自己的外貌特征，例如：“I am tall and have brown hair.”

兴趣爱好

描述自己喜欢的课程和活动，例如：“I like [Subject] because it is interesting. My hobby is [Hobby].”

可以分享一些个人特长或爱好，例如：“I am good at [Skill] and I enjoy [Activity].”

结尾

表达自己对未来或希望，例如：“I hope to [Future Goal].”

或者以友好的方式结束，例如：“I am looking forward to making new friends.”

```

My name is [Your Name]. I am [Your Age] years old. I live in [City/Country]. I am a [Your Occupation/Role] and I am currently studying at [School Name]. I am in [Grade] and [Class].

I have brown hair and brown eyes. I am a friendly and active person who enjoys [Hobby 1] and [Hobby 2]. I am also interested in [Subject] and I am good at [Skill].

I am looking forward to [Future Goal] and I hope to make many new friends here. Thank you for listening to my introduction.

```

请根据具体情况进行调整和补充，确保内容真实、准确且符合语境。