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Treatment for nasal congestion with loss of smell and excessive eye discharge and tearing:
Dingxiang (Caryophylli Flos, 2 fen), Fangfeng (Saposhnikoviae Radix), Zhi Gancao (Prepared Glycyrrhizae Radix et Rhizoma), Gegen (Puerariae Lobatae Radix), Qianghuo (Notopterygii Rhizoma et Radix) (each 1 qian), Shengma (Cimicifugae Rhizoma), Huangqin (Scutellariae Radix) (each two segments, 2 qian), Mahuang (Ephedrae Herba, not removing joints, 4 qian).
Crush the above ingredients into coarse powder. Decoct with two cups of water and three stalks of Congbai (Allii Fistulosi Bulbus) until one cup remains. Strain and take after meals.

For syndromes where cold qi and wind pathogen invade the skin and hair, causing nasal obstruction, cough, and wheezing:
Huanglian (Coptidis Rhizoma), Huangbai (Phellodendri Cortex), Qianghuo (Notopterygii Rhizoma et Radix) (each 2 fen), Zhi Gancao (Prepared Glycyrrhizae Radix et Rhizoma), Foercao (Petasitae Flos), Kuandonghua (Farfarae Flos), Baizhi (Angelicae Dahuricae Radix), Fangfeng (Saposhnikoviae Radix) (each 3 fen), Shengma (Cimicifugae Rhizoma), Renshen (Ginseng Radix), Chenpi (Citri Reticulatae Pericarpium) (each 5 fen), Cangzhu (Atractylodis Rhizoma) (7 fen), Huangqin (Scutellariae Radix) (1 qian).
Cut the above ingredients into small pieces. Combine as one dose. Decoct with two cups of water until one cup remains. Strain and take hot after meals.

The *Jinkui Zhenyan Lun* (Treatise on the True Sayings of the Golden Cabinet) states: "East wind arises in spring; disease is located in the Liver, and its Shu points are on the neck and nape." Therefore, diseases caused by spring Qi often affect the head. Furthermore, all Yang meridians converge on the head and face. For example, the Foot-Taiyang Bladder Meridian originates from the inner canthus, ascends to the forehead, intersects at the vertex, enters to connect with the brain, emerges again, descends along the nape, and when its pathology involves upward rushing, it causes headache. Similarly, the Foot-Shaoyang Gallbladder Meridian originates from the outer canthus, ascends to reach the temporal angle; when diseased, it causes pain in the temporal angle and forehead. Wind pathogen is acquired from above; wind-cold damages the upper body, and external pathogens enter the meridians, causing chills, headache, heavy body, and aversion to cold. Treatment should focus on Fengchi (GB20) and Fengfu (GV16) acupoints to regulate Yin and Yang: tonify deficiency and drain excess. Sweating will lead to recovery. This is headache caused by Shanghan (Cold Damage).

Headache, tinnitus, and dysfunction of the nine orifices are generated by disorders of the Stomach and Intestines; this is headache due to Qi deficiency. Heart vexation and headache indicate pathology in the Diaphragm region, involving the Hand-Taiyang Small Intestine and Hand-Shaoyin Heart meridians; this is headache due to Damp-Heat. If Qi rises but does not descend, causing headache and Dianji (epilepsy-like disorders), it indicates deficiency below and excess above. If severe, it affects the Kidney, resulting in headache due to Cold-Dampness. If pain is confined to one side of the head, first treat the Hand-Shaoyang Sanjiao and Hand-Yangming Large Intestine meridians, then treat the Foot-Shaoyang Gallbladder and Foot-Yangming Stomach meridians; this is Bian Tou Tong (hemicephalic headache). There is also Zhen Tou Tong (true headache); if severe, the entire brain hurts, hands and feet become cold up to the joints, which is incurable and fatal. There is Jue Ni Tou Tong (reversal headache); caused by exposure to severe cold, the cold penetrates internally to the bone marrow. Since the brain is the master of the marrow, rebellious brain Qi causes headache, and the teeth also hurt. Generally, headaches can be treated with Feng Yao (wind-dispelling herbs), speaking in general terms. At the high peak of the head, only wind herbs can reach; therefore, herbs with thin flavors belong to Yang within Yin and can ascend from earth to heaven. However, there are differences among the Three Yin and Three Yang meridians: Taiyang headache presents with aversion to wind and a floating, tight pulse; Chuanxiong, Qianghuo, Duhuo, and Mahuang are primary. Shaoyang meridian headache presents with a string-taut, fine pulse and alternating chills and fever; Chaihu is primary. Yangming headache presents with spontaneous sweating, fever, aversion to cold, and a floating, slow, long, and full pulse; Shengma, Gegen, Shigao, and Baizhi are primary. Taiyin headache necessarily involves phlegm, heavy body, or abdominal pain, indicating Phlegm-Pi; the pulse is deep and slow; Cangzhu, Banxia, and Nantian are primary. Shaoyin meridian headache occurs when Qi and Blood do not circulate through the Three Yin and Three Yang meridians, and cold Qi reverses in the feet causing Han Jue (cold reversal); the pulse is deep and fine; Mahuang, Fuzi, and Xixin are primary. Jueyin headache presents with head and nape pain, expectoration of frothy saliva, and cold limbs; the pulse is floating and slow; Wuzhuyu Tang is indicated. Blood deficiency headache is primarily treated with Danggui and Chuanxiong. Qi deficiency headache is primarily treated with Renshen and Huangqi. Headache due to combined Qi and Blood deficiency is treated with Tiaozhong Yiqi Tang with added Chuanxiong, Manjingzi, and Xixin, yielding miraculous effects. Baizhu Banxia Tianma Tang is used for Tan Jue Tou Tong (phlegm-reversal headache). Qingkong Gao is used for Feng Shi Re Tou Tong (wind-damp-heat headache). Qianghuo Fuzi Tang is used for Jueyin headache. If dampness is in the head, emesis may be employed; one must not rigidly adhere to a single formula. My late teacher once suffered from headache; upon onset, his cheeks were blue and yellow, he experienced vertigo, did not wish to open his eyes, spoke little, felt heavy-bodied, and had a sensation of impending vomiting. Jiegu (Zhang Yuansu) said: "This is a combined syndrome of Jueyin and Taiyin, named Feng Tan (wind-phlegm)." It was treated with Ju Fang Yuhu Wan, and moxa was applied to Xiaxi (GB43), leading to recovery. Thus, we know that Formulas represent Ti (substance/structure), while Methods represent Yong (function/application). Those who cling only to substance without understanding application suffer from弊端 (drawbacks). One who maintains both substance and function can be called an Shang Gong (superior physician).