I am in b1/b2 visa status,how can I change to the other visa

You would have to have an alternate status to which you could change in order to ask U.S.C.I.S. for a status change. Such would be requested on form I-539 application to change/extend status in the U. S. Due to the limitations of the Lawyers.com Forums, Alan Lee, Esq.'s (the "Firm") participation in responding to questions posted herein does not constitute legal advice, nor legal representation of the person or entity posting a question. No Attorney/Client relationship is or shall be construed to be created hereby. The information provided herein by the Firm is general, and requires that the poster obtain specific legal advice from an attorney. The poster shall not rely upon the information provided herein as legal advice nor as the basis for making any decisions of legal consequence.