政府采购过程中的质疑与投诉,是供应商与采购实体或政府有关部门发生争议而寻求合法解决的制度安排。建立和健全供应商质疑投诉机制,既是保障供应商知情权和监督权、维护其正当权益的必然要求,也是强化政府采购监督体系和实现政府采购公开、公平、公正、透明等立法宗旨的重要途 The questions and complaints in the process of government procurement are the institutional arrangements for the suppliers to seek legal solutions through disputes with the procuring entities or relevant government departments. Establishing and perfecting supplier complaint mechanism is not only the necessary requirement to protect suppliers' right to know and supervise and safeguard their legitimate rights and interests, but also an important way to strengthen the system of government procurement supervision and to achieve the objective of open, fair, fair and transparent government procurement.