Abstract: With the universal application of the Internet, the traditional marketing models have been replaced by network marketing model, and room reservation online has become the mainstream of the time. Because the demand uncertainty in online room reservation leads to No-Show, hotel vacancy rate remains high, reducing the hotel's operating profit. In order to improve the hotel room occupancy rate, overbooking strategy has been used to room reservation in the pre-sale period. Assuming that Probability distribution information of check-in rate is known, the optimal level of overbooking has been obtained in the pre-sale period by maximizing the expected revenue optimization model, and a sensitivity analysis has been made of factors that affect the optimal level of overbooking.

Key words: check-in, room reservation, overbooking strategy