<p>Due to the harsh weather conditions in Northeast China, local residents attach much higher importance to the quality and economic benefits of construction projects than in other regions. The aluminum formwork process is widely used in buildings in Northeast China due to its lightweight material, easy handling, and strong insulation and cold resistance. Evaluating the economic benefits of aluminum formwork technology can reduce construction costs and improve resource utilization. However, the current economic benefit evaluation model has low efficiency and significant errors in the economic benefit evaluation of formwork engineering due to various phenomena such as incomplete cost calculation and outdated evaluation tools. To resolve the aforementioned issues, the present study employed the fuzzy analytic hierarchy process to construct a formwork engineering economic benefit evaluation model, thereby enhancing the precision of the model evaluation. The study first conducted comparative experiments on the fuzzy analytic hierarchy process, and the outcomes denoted that this method had the highest data classification performance. Then, the evaluation model based on this method was compared. The results showed that compared with the traditional evaluation model based on random forest algorithm, the evaluation error of this model was reduced from 8.3 to 1.2%, and the evaluation time was shortened by 5.0&#xa0;s. Further evaluation of the economic benefits of using this model on aluminum formwork showed that the cost-effectiveness ratio of aluminum formwork was 67.4%, higher than 52.3% for steel formwork and 46.5% for wooden formwork engineering. From the above experimental results, the evaluation model designed in this study has good evaluation effect, and compared with other formwork projects, the economic benefit of aluminum formwork project is the best.</p>