As a democratic decision-making approach of employees’ wages, wages collective bargaining system is an important means of the trade unions in safeguarding employees’ economic rights and interests. As a strategic task of social construction focusing on improving people’s livelihood, collective bargaining on wages plays an active role in the process of the current practice, which is seen from the remarkable results made in guaranteeing the minimum wages for employees. Currently, due to the weak power of say resulted from the trade unions’ non-independence, and the low quality of bargaining brought about by enterprises and employees’ dissatisfaction over distribution of profits, in particular the dissatisfied bargaining of employees’ wage rise, the distribution of benefits, thus, becomes the key point of collective bargaining on wages. Therefore, aiming at the distribution of benefits of salary negotiation, this study intends to design a joint wage determination model, which not only meets enterprises’ need of benefits, but also maintains the normal wage needs of employees. That is to overcome the implementing challenges of collective bargaining on wages by applying the HU theory to salary negotiations to achieve a win-win situation