推荐回答（5个）
商场卖的塑料杯有合格也有不合格的，作为我们消费者也只能从商品表面做出一个简单的判断。比如，看商标，厂名，厂址，电话，原材料质地，合格证等，还有就是从感官上鉴别，看塑料有无杂质，闻闻味道是否刺鼻等。一般好的可用于入口使用的塑料应该可以耐高温和低温（具体的合格标准我不知道），一般泡茶使用应该没问题，但是现在产品的可信度很低，即使合格产品也不是100%的可信，所以为了自己身体健康，建议你还是最好不用塑料杯，而是选用玻璃、瓷器等材质的。如果遇到特殊情况或环境只能使用塑料杯，也只是偶尔使用一两次我想可能也没有大碍，长期使用的话建议你还是改用其他材质的吧，祝这位朋友身体健康！
可以，但是别经常用塑料杯泡，因为在高温下，塑料杯会释放出有害物质的，不但对身体不好，而且泡的茶也没有玻璃杯泡的香···
塑料杯喝茶不好。从安全、卫生、绿色环保、保健的角度选择水杯，材料顺序是：玻璃杯、白色瓷杯、里面是白色外面彩色的瓷杯、食品级304不锈钢杯子、塑料杯、纸杯，数玻璃杯安全，化学实验室的器皿全是玻璃制品，玻璃杯自身的物质不会污染或反应所盛在杯子里溶液。
可以，但是需要正确选择塑料杯。
选择方法如下：
1.尽量选择大型购物广场或者大型超市，因为这些地方的商品货源都是正规渠道过来的，避免买到假冒伪劣商品。
/iknow-pic.cdn.bcebos.com/77c6a7efce1b9d1642646cb6ffdeb48f8d546442"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/77c6a7efce1b9d1642646cb6ffdeb48f8d546442?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/77c6a7efce1b9d1642646cb6ffdeb48f8d546442"/>
2.挑选杯子时要看清有没有正规的生产厂家，有没有质量认证标志，这些都是保证我们使用健康的条件。
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3.关于杯子的颜色、款式大家喜好不同，建议大家选择颜色较浅或者透明的塑料杯，因为颜色较深的话我们就不能通过外观看清它里面是不是有有害杂质了。
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4.我们挑选杯子的时候要闻闻有没有刺鼻的气味，如果有那么我们就尽量不要选择此类商品了，因为劣质的杯子大多有较刺鼻的味道。
/iknow-pic.cdn.bcebos.com/34fae6cd7b899e51191accc34ea7d933c9950d54"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/34fae6cd7b899e51191accc34ea7d933c9950d54?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/34fae6cd7b899e51191accc34ea7d933c9950d54"/>
5.挑选塑料杯的时候还可以，用手指向内按压塑料杯，看看变形是否严重，好的塑料杯基本不会变形。
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6.即使在购买了喜欢的杯子之后，在使用之前我们还要做最后的检查，倒入热水检查杯子有无变形，有无异味，还有就是检查杯子的密封性。如果一切正常，那么我们就可以放心使用了。
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拓展资料：
塑料杯，指的是用来装饮料和茶的一次性容器。属于不可降解的产品，是“白色污染”的主要来源。一次性塑料杯使用量最大的一般是饮料店、热冷饮店、奶茶店、酒店、餐厅和咖啡店，提供各种塑料杯装的外带饮品和现场使用。
这种杯子属于不可降解的产品，很多人在喝完饮料后，随手就把杯子扔了，也使得这种一次性塑料杯成为了“白色污染”的主要来源。
参考资料：/baike.baidu.com/item/%E5%A1%91%E6%96%99%E6%9D%AF"target="_blank"title="百度百科-塑料杯">百度百科-塑料杯
我郁闷！塑料杯的有毒物质特多，怎么可能泡茶喝！就连我平时都不会用塑料杯子的！塑料杯用的时间越长、热度越高有毒物质就越多！建议不要用！~望采纳~
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