The main objective of the research is to measure the impact of flotation policies on the marketing and economic efficiency of the onion crop in Egypt during the period (2005-2022). The most important results were that the average return on the invested pound during the study period was about 19.3 pounds, and the average return on the invested pound during the period was The first before the start of the flotation was about 2.16 LE, and the average return on the invested pound for the second period after the start of the float was about 1.57 LE. The average marketing efficiency during the study period was about 26.81%, and the average marketing efficiency during the first period before the start of the float was about 24.61% at a minimum. In While the average price increase during the first period before the start of the float was about 60.22%, with a minimum of 51.90% in 2006 and a maximum of 76.72% in 2014, and the average price increase for the second period after the start of the float was about 60.79%, with a minimum of 25.52% in 2019 and a maximum of 72.68% in 2022.