体检之前是不应该吃东西的，尤其是查肝功能，肝胆B超，必须是空腹的情况下才能做检查，否则的话会影响检查结果。
如果是第二天上午检查的话，最好是晚上10点之后，就不要再吃喝东西了，以免影响检查结果。
拓展资料：
体检前的注意事项如下：
1、体检请先预约安排；体检前一天忌酒，限高脂高蛋白饮食，避免使用对肝肾功能有影响的药物。
/iknow-pic.cdn.bcebos.com/dbb44aed2e738bd40f28cea7ad8b87d6277ff91f"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/dbb44aed2e738bd40f28cea7ad8b87d6277ff91f?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/dbb44aed2e738bd40f28cea7ad8b87d6277ff91f"/>
2、检查前三到五日饮食宜清淡，勿食猪肝、猪血等含血性之食物，检查前一日晚上十二点以后，请完全禁食（包括饮水）。
/iknow-pic.cdn.bcebos.com/472309f7905298229a2d4655dbca7bcb0a46d40e"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/472309f7905298229a2d4655dbca7bcb0a46d40e?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/472309f7905298229a2d4655dbca7bcb0a46d40e"/>
3、抽血及肝、胆B超须空腹进行；做膀胱、前列腺、子宫、附件B超时，请勿排尿；如无尿，需饮水至膀胱充盈。
/iknow-pic.cdn.bcebos.com/d0c8a786c9177f3e0148839b7ccf3bc79f3d5623"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/d0c8a786c9177f3e0148839b7ccf3bc79f3d5623?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/d0c8a786c9177f3e0148839b7ccf3bc79f3d5623"/>
4、做X线检查时，宜穿棉布内衣，勿穿带有金属钮扣的衣服、文胸；请摘去项链、手机、钢笔、钥匙等金属物品。怀孕及有可能怀孕之女性受检者，请先告知健检服务人员，慎做X光检查。
/iknow-pic.cdn.bcebos.com/d058ccbf6c81800a4c02f698bd3533fa838b4744"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/d058ccbf6c81800a4c02f698bd3533fa838b4744?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/d058ccbf6c81800a4c02f698bd3533fa838b4744"/>
5、女士生理期，不宜作妇科检查及尿检；做妇科检查前应排空膀胱；乳腺远红外线复查最好选择在生理期后一周内。未婚女士不宜做妇科检查，有特殊需求者要签署相关协议（告知书）方可进行相应检查。
/iknow-pic.cdn.bcebos.com/838ba61ea8d3fd1f1d82dcac3c4e251f94ca5f98"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/838ba61ea8d3fd1f1d82dcac3c4e251f94ca5f98?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/838ba61ea8d3fd1f1d82dcac3c4e251f94ca5f98"/>
6、内科体检前请先测血压、身高、体重。
/iknow-pic.cdn.bcebos.com/2fdda3cc7cd98d1023db75a72d3fb80e7bec901c"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/2fdda3cc7cd98d1023db75a72d3fb80e7bec901c?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/2fdda3cc7cd98d1023db75a72d3fb80e7bec901c"/>
/iknow-pic.cdn.bcebos.com/faedab64034f78f06a22e26575310a55b3191c7e"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/faedab64034f78f06a22e26575310a55b3191c7e?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/faedab64034f78f06a22e26575310a55b3191c7e"/>
7、检查当天需抽完血、做完腹部超音波检查后，方可进食。
/iknow-pic.cdn.bcebos.com/0e2442a7d933c89540c2e0eddd1373f0830200e3"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/0e2442a7d933c89540c2e0eddd1373f0830200e3?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/0e2442a7d933c89540c2e0eddd1373f0830200e3"/>
8、体检当日穿着要求：穿脱方便的服装、鞋袜，最好不佩戴项链等，女同志的文胸不要带钢托，不要穿金属亮片的内衣。
9、体检有热成像项目时，检前须排空便、尿，还须禁食、水。
体检前吃东西，检测结果不准了呗(比如血糖啊，各种酶啊都会受到很大影响)，那还不如不去了，
