Brain computer interface is faced with the problems of legal attribute,legal risk and legal liability.In terms of legal attributes,the user has the subject status,and the legal attributes of brain-computer interface should be judged according to integration degree between brain-computer interface and human body.In terms of legal risks,personal risks,confidentiality risks and exceptions to confidentiality must be analyzed.In terms of legal liabilities,whether the brain-computer interface equipment is faulty will affect the identification of civil liabilities.Legal interest is determined according to the legal attribute of brain-computer interface.When the brain-computer interface does not feedback the user's true will,the corresponding action does not constitute an act in criminal law.It is necessary for China to formulate"Human brain Computer Interface Management Regulations"to es-tablish the legislative purpose and basis,concept and classification,legal status,basic principles,informed consent rules,confi-dentiality rules and exception rules,and legal liability.

Brain computer interface is faced with the problems of legal attribute,legal risk and legal liability.In terms of legal attributes,the user has the subject status,and the legal attributes of brain-computer interface should be judged according to integration degree between brain-computer interface and human body.In terms of legal risks,personal risks,confidentiality risks and exceptions to confidentiality must be analyzed.In terms of legal liabilities,whether the brain-computer interface equipment is faulty will affect the identification of civil liabilities.Legal interest is determined according to the legal attribute of brain-computer interface.When the brain-computer interface does not feedback the user's true will,the corresponding action does not constitute an act in criminal law.It is necessary for China to formulate"Human brain Computer Interface Management Regulations"to es-tablish the legislative purpose and basis,concept and classification,legal status,basic principles,informed consent rules,confi-dentiality rules and exception rules,and legal liability.