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长于散瘀止血、消肿定痛，多用于出血证、跌打损伤、瘀血证
长于补血强身，多用于气血虚弱、病后体虚、产后调理
研末吞服或冲服，每次1–3g，每日2–3次。入汤剂3–9g；外用适量，研末外敷。为粉末入药效佳，所谓“生打熟补”。
For educational reference only — not medical advice.
三七（Panax notoginseng）含人参皂苷 Rg1/Rb1、三七皂苷 R1 及田七氨酸，兼具止血与化瘀的'双向'药理：生品富含田七氨酸缩短出血时间，同时总皂苷具抗血小板和扩张冠脉作用，对应'止血不留瘀'之传统论述。
Panax notoginseng contains ginsenosides Rg1/Rb1, notoginsenoside R1, and dencichine. It displays a dual hemostatic–antiplatelet pharmacology: raw powder rich in dencichine shortens bleeding time while total saponins are antiplatelet and coronary-vasodilatory, paralleling the classical claim of 'stopping bleeding without causing stasis'.
中国药典 2020 版收载三七，规定人参皂苷 Rb1、Rg1 及三七皂苷 R1 的总含量不低于 5.0%。
Chinese Pharmacopoeia 2020 specifies that Sanqi must contain no less than 5.0% total ginsenoside Rb1 + Rg1 + notoginsenoside R1.
Brinker 提示三七可增强抗血小板与抗凝药效应，与阿司匹林、华法林合用应监测出血风险。
Brinker notes that notoginseng may potentiate antiplatelet and anticoagulant drugs; bleeding risk should be monitored when combined with aspirin or warfarin.
Chen & Chen 综述田七氨酸促进血小板释放并缩短出血时间，而三七总皂苷抑制血小板聚集，从而实现双向调节。
Chen & Chen summarize that dencichine promotes platelet release and shortens bleeding time whereas total notoginseng saponins inhibit platelet aggregation, accounting for the bidirectional profile.
This section is provided for academic reference only and does not constitute medical advice.
孕妇慎用。血虚无瘀者不宜。出血证属阴虚火旺者应配伍凉血药。不宜与抗凝血药（如华法林、阿司匹林）同用，有增加出血风险。
过量或长期服用可引起口干、烦躁、恶心、出血倾向增加。三七含人参皂苷，与抗凝药合用需谨慎。孕妇慎用，手术前一周宜停服。
《本草纲目》载：此药近时始出，南人军中用为金疮要药，云有奇功……凡杖扑伤损，瘀血淋漓者，随即嚼烂罨之即止；青肿者即消散。
@misc{bencaodian-san-qi,
author = {{Bencaodian Editorial}},
title = {Sān Qī 三七 (Notoginseng Root) — Notoginseng Radix et Rhizoma},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/san-qi},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}