Recent progress in medical informatics enables us to use medical information regardless of time or place, to make a diagnostic and therapeutic plan, according to increasing need about health of general population. There are many homepages on the web, which provides medical common senses, hospital information, and medical counselling on the web. Virtual Hospital, which offers comprehensive media information, has medical counselling program with various programs such as self-diagnosis, emergency information, drug information, Q and A, and so on. The aim of this study is to examine the content and purpose of medical counselling on the web. The subjects consisted of 150 counselings which were called 'Medical Counselling' in the Virtual Hospital for December 1996 through March 1997. Many questioners wanted to know treatment principles. to make a diagnosis, and to know specific medical knowledge, The most common questions are as follows; general and unspecified, digestive, skin, musculoskeletal problems. These findings suggests that medical counselling may be used to supplement the lack of direct medical interviews with doctors.