A gas vending system for health application, comprising: a healthy gas generator module, a control module, and a charging/payment module. The healthy gas generator module is used to generate a healthy gas. The control module is connected to the healthy gas generator module for monitoring the usage state of the healthy gas and generating a volume consumption signal for the healthy gas. The charging/payment module is connected to the control module for receiving the volume consumption signal for the healthy gas and then generating a toll after computing. The charging/payment module is adapted to accept cash or charging a debit card or credit card according to the toll.
