医学考研复试英语自我介绍的时间并没有一个固定的标准，因为不同的学校和面试官可能会有不同的要求。一般来说，自我介绍的时间控制在1到2分钟是比较合适的。

以下是一个大约1分钟左右的自我介绍范例，供您参考：

Good morning/afternoon, Professor/Interviewer. My name is [Your Name], and I am honored to have the opportunity to introduce myself to you today.

I come from [Your hometown/city], where I spent my childhood and adolescence. I have always been fascinated by the field of medicine and its potential to improve people's lives. This passion led me to pursue a bachelor's degree in [Your undergraduate major] at [Your undergraduate university], where I laid a solid foundation in the basic sciences and clinical knowledge.

During my undergraduate studies, I actively participated in various research projects and clinical rotations, which not only deepened my understanding of medical knowledge but also honed my practical skills. I am particularly interested in [Your specific interest in medicine, such as cardiology, neurology, etc.], and I hope to further explore this field in my postgraduate studies.

I chose to apply for this program at [Your target university] because of its excellent reputation in [Your target field] and the renowned faculty members who have made significant contributions to the field. I believe that this program will provide me with the necessary knowledge and skills to excel in my future career.

In my spare time, I enjoy [Your hobbies and interests], which help me maintain a balanced and healthy lifestyle. I am a hardworking, responsible, and team-oriented individual, and I am confident that I can contribute positively to the academic community here.

Thank you for your time and consideration. I look forward to the opportunity to discuss my application with you further.