出国留学证明样式需要根据具体需求来填写，以下是一些常见的出国留学证明材料样式及其内容要点：
在读证明
模板：
```
Certificate
This is to certify that [姓名]，male/female，born in [出生年月]，is now studying for his/her [学位] degree at [大学名称] and his/her student ID is [学生ID]。
```
要点：
证明人姓名
性别
出生年月
所在大学及专业
学生ID
实习证明
模板：
```
Internship Certificate
This is to certify that [姓名]，a student from [大学名称]，Grade [年级] with his major in [专业名称]，has been interning in [公司名称] from [实习开始日期] to [实习结束日期].
```
要点：
证明人姓名
性别
出生年月
所在大学及年级
专业名称
实习公司名称
实习开始和结束日期
收入证明
模板：
```
Income Certificate
This is to certify that [姓名] has been working in our company since [入职日期]，holding the position of [职务名称]. His/her average annual income in recent years is about [年收入金额] （including basic salary, position allowance, individual bonus, and year-end bonus）, and personal income tax has been withheld and paid by our company.
```
要点：
证明人姓名
入职日期
职务名称
年收入金额（包括基本工资、岗位津贴、单项奖金、年终奖金）
所得税代扣代缴情况
财力证明
模板：
```
Financial Support Certificate
This is to certify that [姓名] has sufficient financial resources to support his/her studies abroad. The financial sources include [具体资金来源，如家庭存款、父母支持、奖学金等]。
```
要点：
证明人姓名
具体资金来源
工作证明
模板：
```
Employment Certificate
This is to certify that [姓名] has been employed at [公司名称] since [入职日期]，holding the position of [职务名称]. He/she has shown excellent performance and is a valuable asset to the company.
```
要点：
证明人姓名
入职日期
职务名称
在公司的表现及评价
以上模板仅供参考，具体填写时需要根据实际情况进行调整，并确保所有信息准确无误，加盖有效印章。