求职信起到毛遂自荐的作用，好的求职信可以拉近求职者与人事主管(负责人)之间的距离，获得面试机会多一些。
求职信是自我表白，其目的和作用要是让人事主管看，因人事主管有太多的求职信函要看，因此要简明扼要。
在知名企业，特别是外企或500强企业的求职过程当中，一封出色的求职信是必不可少的.。而撰写一封得体的求职信可能是你在准备应聘的过程中遇到的最棘手的问题。在求职的过程中，只有能体现个人才智的求职信，才能帮助你顺利地得到面试机会，谋求一份理想的工作。你需要仔细考虑你所写的求职信的目的，及其所可能产生的影响。信件要引起读者的兴趣，既要反映出你的目的，也要符合特定的环境要求。
下面是本站带来的公司助理的英文求职信范文
Dear ,
Ms. Huang Lijia of your company has told me that your dept needs a manager assistant,and I wish to apply for the position. I will graduate from commercial school next month. My outstanding record at school and some experience in business has prepared me for the work you are calling for.
I am really interested in learning business practice,and also a diligent worker and a fast learner. If given a chance, I am sure I can prove my worth in your company.
I will be available during the weekdays in the morning for any interviews you may want to give. Enclosed is my resume,and hoping for your immediate reply.
