伤风头痛恶寒，鼻塞声重，嚏涕无汗，此暴感寒
疫。宜用苏叶、白芷、前胡、桑皮、桔梗、薄荷、橘
红、枳壳等味，苦辛温解也。
风必兼寒，先伤乎肺，肺脏空虚，形如愚盘，风寒蚀
之，则清肃不行，而气不宣化，故鼻塞声重。其头痛恶寒无
汗者，以太阴为肺之外卫。暴感之状，虽与伤寒相同，但始
终在肺，并无传变为异。故《内经》所谓，中于项，则下太
阳，中于面，则下阳明;中于颊，则下少阳也。初起宜苏
叶、白芷、薄荷、前胡辛以泄其卫，桑皮、橘红、积壳、桔
梗苦以降其逆。正（内经）所谓：肺苦气上逆，即食苦以泄
之也。
伤风汗出，头痛已减，犹然鼻塞声重，咳嗽多
痰，此寒邪袭肺。宜用苏梗、前胡、杏仁、象贝、桑
皮、地骨皮、橘皮、枇杷叶等味，宣肺透邪也。
此风邪已散,寒气犹留，若非疏散，恐生他患。故以苏
梗，前胡、杏仁降气，桑皮、地骨泄肺，橘皮、象贝消痰，
枇杷叶清气，是邪在上焦，药用轻浮，恰到肺位也宜矣。
伤风鼻气重浊，喘逆痰嘶，胸肋板痛，此寒与饮
结，内阻肺络。宜用苏子、前胡、桑皮、杏仁、橘
红、半夏、茯苓、旋复花、枇杷叶等味，降气撤饮也。
鼻塞重浊，肺失清肃，喘咳胸板，宿饮内结。夫饮为阴
邪，因寒则动，内阻肺络，外袭皮毛，茍非内撤饮邪，外疏
风寒，则何可两解！故宜苏子、前胡、桑皮、杏仁开肺降
逆，法半夏、茯苓、旋复花、橘红涤饮和胃，俾肺气开而寒
饮化，则病渐解也。
伤风导致头痛、恶寒，鼻塞且声音沉重，打喷嚏、流涕但无汗，这是突然感受寒邪疫气所致。适宜使用苏叶、白芷、前胡、桑皮（桑白皮）、桔梗、薄荷、橘红、枳壳等药物，采用苦辛温法以解表散寒。
风邪必定兼夹寒邪，首先损伤肺脏。肺脏空虚，形态如同倒置的盘子（喻其空腔结构），风寒侵蚀它，导致肺的清肃功能不能正常运行，气机不能宣发转化，所以出现鼻塞声重。那些头痛、恶寒、无汗的症状，是因为太阴肺经作为体表的外卫屏障。突发感染的症状，虽然与伤寒相同，但病位始终在肺，并没有发生传变异化。所以《内经》所说：邪气中于项部，则下入太阳经；中于面部，则下入阳明经；中于颊部，则下入少阳经。初起阶段适宜用苏叶、白芷、薄荷、前胡，利用辛味药来宣泄卫分邪气；用桑皮、橘红、枳壳、桔梗，利用苦味药来降泄逆气。这正是《内经》所说的：“肺脏厌恶气机上逆，即用苦味药来泄降肺气。”
伤风出现汗出，头痛已经减轻，但仍然鼻塞声重，咳嗽多痰，这是寒邪侵袭肺脏所致。适宜使用苏梗、前胡、杏仁、象贝（浙贝母）、桑皮、地骨皮、橘皮、枇杷叶等药物，采用宣通肺气、透达邪气的方法。
此时风邪已经消散，寒气仍然留存，如果不进行疏散治疗，恐怕会产生其他病患。所以用苏梗、前胡、杏仁来降气，桑皮、地骨皮来清泄肺热，橘皮、象贝来消除痰浊，枇杷叶来清气，因为邪气位于上焦，药物选用轻浮之品，恰好到达肺的部位，是适宜的。
伤风导致鼻息重浊，气喘逆乱、痰鸣音嘶哑，胸胁部僵硬疼痛，这是寒邪与水饮互结，内部阻滞肺络所致。适宜使用苏子、前胡、桑皮、杏仁、橘红、半夏、茯苓、旋复花、枇杷叶等药物，采用降气、撤除水饮的方法。
鼻塞重浊，肺失去清肃功能，气喘咳嗽、胸部板滞，这是因为宿饮内结。水饮属于阴邪，遇到寒邪则活动，内部阻滞肺络，外部侵袭皮毛，如果不内部撤除水饮邪气，外部疏解风寒，怎么能两全其解呢！所以适宜用苏子、前胡、桑皮、杏仁来开宣肺气、降泄逆气，用法半夏、茯苓、旋复花、橘红来涤除水饮、调和胃气，使得肺气开宣而寒饮化解，病情就会逐渐解除。
Wind-cold causing headache and aversion to cold, nasal congestion with heavy voice, sneezing, runny nose but no sweating, this is a sudden contraction of cold pathogenic factors and epidemic qi. It is appropriate to use Ye Su (Perilla Leaf), Bai Zhi (Angelicae Dahuricae Radix), Qian Hu (Peucedani Radix), Sang Pi (Mori Cortex), Jie Geng (Platycodonis Radix), Bo He (Menthae Haplocalycis Herba), Ju Hong (Citri Reticulatae Pericarpium Rubrum), Zhi Ke (Aurantii Fructus Immaturus) and other herbs, employing the Bitter-Pungent-Warm method to release the exterior.
Wind pathogenic factors must be accompanied by cold, injuring the Lung first. The Lung organ is empty, resembling an inverted plate; when eroded by wind-cold, its clear descending function cannot operate normally, and Qi fails to diffuse and transform, thus causing nasal congestion and heavy voice. The symptoms of headache, aversion to cold, and absence of sweating occur because the Taiyin Lung serves as the external defense of the body. Although the presentation of acute infection resembles Shanghan (Cold Damage), the pathology remains within the Lung throughout, without transmission or alteration. Thus, as stated in Neijing (Inner Canon): "If struck at the nape, it descends into the Taiyang channel; if struck on the face, it descends into the Yangming channel; if struck on the cheek, it descends into the Shaoyang channel." In the initial stage, it is appropriate to use Ye Su, Bai Zhi, Bo He, and Qian Hu, utilizing pungent herbs to vent the Wei (Defensive) level pathogens; and using Sang Pi, Ju Hong, Zhi Ke, and Jie Geng, utilizing bitter herbs to descend rebellious Qi. This corresponds precisely to what Neijing states: "The Lung dislikes upward rebellion of Qi, so bitter substances are used to drain it."
Wind-cold presenting with sweating, reduced headache, yet persistent nasal congestion with heavy voice, cough with profuse phlegm, indicates cold pathogenic factors invading the Lung. It is appropriate to use Su Geng (Perillae Caulis), Qian Hu, Xing Ren (Armeniacae Semen Amarum), Xiang Bei (Fritillariae Thunbergii Bulbus), Sang Pi, Di Gu Pi (Lycii Cortex), Ju Pi (Citri Reticulatae Pericarpium), and Pi Pa Ye (Loquat Leaf) and other herbs, employing methods to diffuse Lung Qi and penetrate pathogens.
At this point, wind pathogens have dissipated, but cold remains. If not dispersed, other complications may arise. Therefore, Su Geng, Qian Hu, and Xing Ren are used to descend Qi; Sang Pi and Di Gu Pi are used to clear and drain the Lung; Ju Pi and Xiang Bei are used to resolve phlegm; and Pi Pa Ye is used to clear Qi. Since the pathogen resides in the Upper Jiao (Upper Burner), light and floating herbs are selected to reach the Lung site appropriately.
Wind-cold presenting with heavy and turbid nasal breathing, wheezing with rebellious Qi, hoarse phlegm sounds, and stiff pain in the chest and hypochondrium, indicates binding of cold and fluid retention obstructing the Lung collaterals internally. It is appropriate to use Su Zi (Perillae Fructus), Qian Hu, Sang Pi, Xing Ren, Ju Hong, Ban Xia (Pinelliae Rhizoma), Fu Ling (Poria), Xuan Fu Hua (Inulae Flos), and Pi Pa Ye and other herbs, employing methods to descend Qi and withdraw fluid retention.
Heavy and turbid nasal obstruction, loss of Lung's clear descending function, wheezing, cough, and chest stiffness result from chronic fluid retention binding internally. Fluid retention is a Yin pathogenic factor; it moves due to cold, obstructing Lung collaterals internally and attacking the skin and hair externally. Unless internal fluid retention is withdrawn and external wind-cold is dispersed, how can both be resolved simultaneously? Therefore, it is appropriate to use Su Zi, Qian Hu, Sang Pi, and Xing Ren to open Lung Qi and descend rebellion; Fa Ban Xia (Prepared Pinellia), Fu Ling, Xuan Fu Hua, and Ju Hong to wash away fluid retention and harmonize the Stomach. This allows Lung Qi to open and cold-fluid to transform, leading to gradual resolution of the disease.