Abstract: Objective To discuss the concerned and controversial medical reform by National Health Service (NHS) Clinical Commissioning Group (CCG) in UK,explore the background and reasons of the reform,and evaluate the reference point for the medical reform in China. Methods Through what I saw and investigate in UK,literature search and other information on WEB of British government and healthcare sites,We gain some insight into National Health Service in UK,understand its operation mode and advantages,study the evolution and the present progress of UK medical reform,and the specific measures on reform by CCG. Results Strategic Health Authority and Primary Care Trust were replaced by NHS Executive Committee and 211 CCG which leaded by GP,80% budget of NHS was taken over by CCG.CCG would purchase service from secondary care and determine the flow of funds from the bottom up.But the reform did not go well with frequent controversy.The courses of medical reform getting a bloody nose might be misconduct in guideline on the range and degree of autonomy enjoyed by the patients,the introduce of private medical institutions affecting the quality of medical service,and the doubt on long established doctor-patient relationships may be damaged. Conclusion CCG reform can improve the operation efficiency of the health care system,but it cannot be transplanted completely in China medical reform because the grading diagnosis and treatment system and patients ordered distribution has not been completed.Chinese health care reform need to balance the public interest with the market,both needs planned economy and market economy.