消费者如果认为他购买的商品以及所享受的有偿服务在质量、价格、安全、卫生、计量等方面对其消费权益造成损害时,可以向有关部门投诉,依法保护自己的利益。投诉可以采用电话、信函、面谈等形式,凡要求消费者组织帮助挽回经济损失的,需写出书面材料,写清投诉人姓名、地址、购买商 If consumers think that the goods they purchase and the paid services they enjoy damage the rights and interests of consumers in the aspects of quality, price, safety, hygiene and measurement, they may complain to relevant departments and protect their own interests in accordance with the law. Complaints can be by telephone, letters, interviews and other forms. Where the consumer organizations are required to help restore economic losses, it is necessary to write written materials, state the complainant's name, address, and purchaser