Abstract: The promotion of Olympic movement and successful hold of Olympic Games in China require the efficient protection of intellectual property of Olympic symbol, including the preclude of malice registration and use of domain name, in order to escape serious outcome. The determination of malice registration and use should be made according to the law of our country. The subject bodies of protection of domain name of Olympic symbol include the right owner and administrative department, the way of protection include administrative means, legal means and through the dispute resolution body of domain name. The infringer of malice registration and use should undertake civil, administrative and criminal responsibility. The social and economical value of Olympic symbol can only be realized through full protection of its intellectual property.