The theme park has a variety of games available. Each game has different ticket prices. When the people want to play the game, they need to go to the counter to buy a ticket. They need to que up, waiting and wasting their time. Thus, this project can overcome those problems. This project use infrared sensor to detect the visitors. The barrier will open automatically when the visitors entering the theme park. This project used PIC circuit, an infrared sensor, RFID scanner, open barrier, LED (light Emitting Diode) and LCD 16x2. Microcontroller was employed to control the system. This project is aimed to improve conventional payment method, to an automatically using RFID card at theme park.