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甘温质润，建中缓急，为补虚缓痛专品
入汤剂宜烊化冲服或去渣后兑入再煎片刻；一般用量15–60g。小建中汤原方用饴糖一升（约30g）为君。
For educational reference only — not medical advice.
饴糖主含麦芽糖、葡萄糖、糊精等可快速吸收的糖类，具有补充能量、缓解腹痛与保护胃黏膜作用，甘温质润最善建中缓急。
Maltose syrup contains maltose, glucose and dextrins — rapidly absorbed sugars providing energy, alleviating abdominal cramping and coating the gastric mucosa; sweet, warm and moistening, it is foremost in constructing the middle.
Bensky 将饴糖列为补气甘温建中的代表药，强调其为小建中汤、大建中汤的君药。
Bensky lists Yi Tang as the representative sweet-warm middle-constructing tonic, emphasizing its role as sovereign in Xiao Jian Zhong Tang and Da Jian Zhong Tang.
Chen & Chen 指出饴糖甘温质润，与单纯蔗糖不同，所含麦芽糖及糊精吸收较缓，不易骤然升高血糖，但糖尿病患者仍应禁用。
Chen & Chen note that Yi Tang, unlike plain sucrose, contains maltose and dextrins with slower absorption, yet diabetic patients should still avoid it.
This section is provided for academic reference only and does not constitute medical advice.
湿热内蕴、中满气滞、呕吐、湿盛脘腹胀满及糖尿病（消渴）者不宜；牙疳、小儿疳积患者慎用。
饴糖含麦芽糖与葡萄糖，糖尿病及肥胖者忌用；助湿生痰，湿痰盛、舌苔厚腻者不宜。入汤剂须烊化，避免久煎焦化。
虚劳里急，悸，衄，腹中痛，梦失精，四肢酸疼，手足烦热，咽干口燥，小建中汤主之。
血痹虚劳病脉证并治
@misc{bencaodian-yi-tang,
author = {{Bencaodian Editorial}},
title = {Yí Táng 饴糖 (Maltose Syrup) — Saccharum Granorum (Maltosum)},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/yi-tang},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}