Abstract: An emergency rescue system and a handheld electronic device and an emergency rescue method are provided. The emergency rescue system comprises a help-seeking device, a rescue device and a server. The help-seeking device is used to position, and used to provide a help-seeker to input situation information to send a help-seeking message to the server. The rescue device is used to position and send a positioning message to the server. The sever is used to compare the help-seeking message and the positioning message to execute a supply-demand pairing, and used to send the help-seeking message and the positioning message to the help-seeking device and the rescue device respectively for making the help-seeking device can communicate with the rescue device.

Abstract: A supply-demand pairing system and its method are disclosed. The supply-demand pairing system comprises a demand side device, a supply side device and a server. The demand side device is used to locate, and used to provide a demander to input demand information to send a demand message to the server. The supply side device is used to locate, and used to provide a suppliers to input supply information to send a supply message to the server. The server is used to compare the demand message and the supply message to execute a supply-demand pairing, and used to send the demand message and the supply message to the supply side device and the demand side device respectively for making the demand side device can communicate with the supply side device.

Abstract: The present invention discloses a passenger waiting system and a method thereof. The passenger waiting system comprises a transportation service demander device, a transportation service supplier device and a server. The transportation service demander device is used to provide a user to input the transportation demand to send a transportation demand message to the server. The transportation service supplier device is used to provide a service provider to input the transportation providing service to send a transportation supplying message to the server. The sever is used to compare the transportation demand message and the transportation supplying message to execute a supply-demand pairing task, and used to send the transportation demand message and the transportation supplying message to the transportation service supplier device and the transportation service demander device respectively for making the transportation service demander device can communicate with the transportation service supplier device.

Abstract: An emergency rescue system and a handheld electronic device and an emergency rescue method are provided. The emergency rescue system comprises a help-seeking device, a rescue device and a server. The help-seeking device is used to position, and used to provide a help-seeker to input situation information to send a help-seeking message to the server. The rescue device is used to position and send a positioning message to the server. The sever is used to compare the help-seeking message and the positioning message to execute a supply-demand pairing, and used to send the help-seeking message and the positioning message to the help-seeking device and the rescue device respectively for making the help-seeking device can communicate with the rescue device.