CO2 foam fracturing has been applied in oil and gas field production, especially in low-pressure and water sensitive reservoirs, due to its characteristics of little damage to reservoirs, low filtration and high fracturing efficiency. In addition, this technology has significant water-saving effects, improved backflow capacity after pressure, and technological advantages in replacing coal seam adsorbed gas. The deep coalbed methane in Changqing Oilfield is mainly distributed in the loess gully mountainous areas of Yulin and Mizhi in northern Shaanxi, with prominent problems such as water scarcity. Therefore, in the exploration and development of deep CBM in 2023, carbon dioxide foam water reducing fracturing technology was adopted for the first time and achieved success, aiming to explore that carbon dioxide foam water reducing fracturing technology can give full play to greater technical advantages in coal rock reservoirs and other low-permeability reservoirs to further release reservoir productivity. Through design optimization, construction organization, and equipment upgrading, both pilot test wells have demonstrated good reservoir transformation effects. This article introduces the construction process, analyzes the understanding obtained, and puts forward suggestions, providing valuable experience and new ideas for the large-scale development of deep coalbed methane in the later stage.