风 凡用针刺，天气风盛，令病患避风之处刺之，无伤也。
寒 凡用针刺，天气寒冷，令病患向温暖处，先饮汤液醴。
暑 凡用针，夏月热盛血淖，而多脱其血，以新水洗其面，于风凉处坐，而然后刺。
湿 凡用针刺，令病患致于高原之处，先服辛燥之物，然后刺。
阴 凡用针刺，遇阴气重，气血不行，先服温补之药，然后刺。
燥 凡用针刺，遇夏月烦躁，令病患于风凉处，先服宣通气血之药，然后刺之。
车 凡用针刺，若病患乘车而来，其人经络解 ，不可便刺，气血定，然后刺之。
马 凡用针刺，若病患乘马而来，必血气乱而困于身，候气定然后刺之。
便黑 不拘伤寒杂病，若大便黑色，皆是真气已失，俗云换肠死证，勿刺之。
吐异 其病临食之间，吐出异色之物，后日必死，勿刺之。
失听 不拘伤寒杂病，暴然耳聋，失音不语，乃肾气绝也，必死，勿刺之。
失明 其目暴然而不见者，乃是肝气绝也，必死，慎勿刺之。
失志 经云∶使志安宁。诗云∶在心为志，心无所存，俗言改志，后日必死，慎勿刺之。
失便 病患不觉，大小便自出者，乃是大小肠无气也，后日必死，慎勿刺之。
失神 老子云∶气来入身谓之生，神去于身谓之死。所谓不离其身，自遗其咎，得神者
昌，失神者亡。
失溺 病患不觉，小便自出者，乃是小肠经无气也，后日必死，慎勿刺之。
Wind: When employing acupuncture, if the weather is windy and strong, instruct the patient to avoid drafts and perform needling in a sheltered place; this will prevent injury.
Cold: When employing acupuncture, if the weather is cold, instruct the patient to move to a warm area and first consume medicinal decoctions or sweet wine (Li).
Summerheat: When employing acupuncture, during summer months when heat is intense and blood qi flows freely (nao), excessive blood loss may occur. Wash the patient's face with fresh water, have them sit in a cool and breezy place, and then proceed with needling.
Dampness: When employing acupuncture, position the patient in a high-altitude area, administer acrid and drying herbs first, and then proceed with needling.
Yin: When employing acupuncture, if encountering heavy Yin qi and stagnant blood qi, first administer warming and tonifying medicines, and then proceed with needling.
Dryness: When employing acupuncture, if encountering summer heat causing irritability, have the patient sit in a cool and breezy place, first administer herbs that promote the free flow of Qi and Blood, and then proceed with needling.
Carriage: When employing acupuncture, if the patient has arrived by carriage, their meridians are relaxed (jie); do not needle immediately. Wait for the Qi and Blood to settle before proceeding.
Horseback: When employing acupuncture, if the patient has arrived on horseback, their Qi and Blood will be chaotic and the body fatigued. Wait until the Qi stabilizes before proceeding with needling.
Black Stool: Regardless of whether it is Cold Damage (Shanghan) or miscellaneous diseases, black stool indicates the loss of True Qi. Commonly referred to as "changing intestines," this is a fatal syndrome; do not needle.
Abnormal Vomitus: If the patient vomits substances of abnormal color during meals, death will ensue in the future; do not needle.
Loss of Hearing: Regardless of whether it is Cold Damage (Shanghan) or miscellaneous diseases, sudden deafness and aphonia indicate the exhaustion of Kidney Qi; death is inevitable; do not needle.
Loss of Vision: Sudden blindness indicates the exhaustion of Liver Qi; death is inevitable; exercise extreme caution and do not needle.
Loss of Willpower: The Classics state: "Let the will be peaceful." The Book of Songs states: "In the heart, it is called Zhi (Will)." If the heart lacks sustenance, commonly referred to as "changed will" (loss of volition), death will ensue in the future; exercise extreme caution and do not needle.
Loss of Bowel Control: If the patient is unconscious and excretes feces and urine spontaneously, it indicates the absence of Qi in the Large and Small Intestines; death will ensue in the future; exercise extreme caution and do not needle.
Loss of Shen (Spirit): Laozi said: "Qi entering the body is called life; Shen leaving the body is called death." Shen should not depart from the body; self-inflicted calamity leads to ruin. Those who possess Shen prosper; those who lose Shen perish.
Loss of Urinary Control: If the patient is unconscious and urinates spontaneously, it indicates the absence of Qi in the Small Intestine Meridian; death will ensue in the future; exercise extreme caution and do not needle.