For many years, doctors and family members have mostly adopted the attitude toward cancer patients: to conceal the facts of cancer they have received from patients. This practice is medically called "protective care", and its purpose is to reduce the psychological burden on patients. Zhang, the newly established rehabilitation department of the Cancer Hospital, advocates "open treatment. ". It can be inferred that what will be discussed below is:. ['How to allocate doctors and family members in the process of "open treatment".', 'The disadvantages of "protective medicine".', '"Open treatment" will control and improve the condition.', 'Meaning and form of "open treatment".']