The informational asymmetry caused by the irrational information delivering mechanism is the major element that leads to the employment risk for college graduates.

Enlightenment of harmonious management theory on medical risks management;

The technical measures of medical instruments in reducing the medical risks;

To enhance supervision of medical risk and prove patient s medical safety;

The precaution and management of medical risks;

Clinical medicine has complexity and particularity and medical risks are impersonal.

In addition,medical risks restrict subjective initiatives of medical practitioners and how to handle properly risks is worth further thinking.

Routinized and Institutionalized Quality control for Medical Equipment can effectively improve the applied quality of medical equipment, lower patient risk related to medical equipment, it plays a very important role to improve the accuracy of medical diagnosis and treatment of the validity of the results.