A patient monitor having entertainment functions, comprising: a signal acquisition unit, a signal reception unit, a master control unit, a particular signal processing unit, a storage unit and an audio and video output unit; the signal acquisition unit configured to acquire external input signals, the signal acquisition unit comprising: an entertainment signal acquisition unit configured to acquire an entertainment signal and a physiological parameter signal acquisition unit configured to acquire the physiological characteristics of monitored patients; the signal reception unit configured to receive the acquired signals, the master control unit configured to complete the assignment of the received signals, the particular signal processing unit configured to process different assigned signals, the storage unit configured to selectively store the information of the particular signal processing unit and the audio and video output unit configured to output the particular signals; the particular signal processing unit comprising: an entertainment signal processing unit configured to process the signals acquired by the an entertainment signal acquisition unit, a parameter signal processing unit configured to process the information of the physiological parameters acquired by the physiological parameter signal acquisition unit, and an alarm signal processing unit configured to judge according to the processing result of the parameter signal processing unit; the entertainment signal processing unit comprises: a reception unit, an entertainment apparatus initiation unit and a signal judgment unit; wherein the entertainment signal reception unit is configured to receive the entertainment signal data and the signal judgement unit is then configured to differentiate said entertainment signal data in order to determine whether the data is single audio signal data, or single video signal data or the data of both audio and video, so as to input an apparatus initiating signal to the corresponding audio and video output unit according to the result of the signal judgment unit; the audio and video output unit comprises: a monitor specific display apparatus and a monitor specific loudspeaker which are connected with a signal output end of the alarm signal processing unit, as well as an entertainment specific display apparatus and an entertainment specific loudspeaker for the entertainment apparatus initiation unit; the alarm signal processing unit configured to process the alarm information of the physiological characteristics comprises; an alarm detection unit configured to detect the values of the physiological characteristics, an alarm initiation controlling unit provided with a physiological characteristic threshold alarm judging unit therein and connected with a control signal output end of the alarm judging unit, and an alarm storage unit configured to store the information of the occurring alarm and the current parameter measurement values; wherein the alarm detection unit is configured to detect the values of the physiological characteristics in real-time, the alarm judgment unit is configured to judge whether alarm occurs, and if the alarm occurs, the alarm initiation controlling unit is configured to initiate an alarm lamp, an alarm specific loudspeaker and screen character prompt; after the alarm occurs, the alarm storage unit is configured to store the information of the occurring alarm and the current parameter measurement values, characterized in that once the alarm condition disappears, the alarm in any form is canceled; and in that the monitor specific display apparatus and the entertainment specific display apparatus are a double-screen display apparatus, wherein the double-screen display apparatus comprises a first display panel including a monitor specific display screen, a second display panel including an entertainment specific display screen and a connection shaft for the connection of the two display panels, wherein the connection shaft comprises a first shaft component rotatably pivoted to the first display panel and a second shaft component rotatably coupled to the second display panel, the second shaft component extends from the first shaft component so as to be vertical to the first shaft component; the connection shaft is connected to one corner of the first display panel and one corner of the second display panel, and the double-screen display apparatus further comprises: a first shaft accommodation groove formed at the second display panel to receive a part of the first shaft component, a second shaft accommodation groove formed at the first display panel to receive a part of the second shaft component, and at least one magnet assembled at the edge of the first display panel and the second display panel so that the first display panel and the second display panel can be adhered to each other.