Vomiting
    Vomiting is due to dysfunction of the Stomach in digestion and transportation. The Qi of the Stomach ascends instead of descends. Causative factors are:
1. Overeating and retention of Cold and fatty food.
2. Perversion of Qi of Liver due to anger affecting the function of Stomach
3. Weakness of the spleen and Stomach
Differentiation
1. Retention of Food: Epigastric and abdominal distension or pain, acid fermented vomitus, belching, anorexia, constipation, foul gas. T- thickly coated and sticky. P- rolling and forceful.
2. Invasion of Stomach by Qi of the Liver: vomiting, acid regurgitation, continual belching, distending pain in hypochondriac region. T- Thinly coated and sticky. P-Wiry
3. Weakness of spleen and Stomach: Sallow complexion, vomiting after eating a very full meal, lack of appetite, slightly loose stools, general lassitude. P- Forceless. T- Thinly coated, sticky.
Treatment
Points of the Stomach Channel are the main points. When retention of food or invasion of the Stomach by Qi and Liver is at fault, needling is given with reducing method. For weakness of Spleen and Stomach, needling is given with reinforcing method combined with moxibustion.
Points
Zusanli- St 36 He-Sea point of the Stomach channel.
Zhongwan- Ren 12 Front-Mu point of the Stomach.   Both together regulate the Stomach Qi     
Neiguan- P6 Master point of Yin Wei mai
Gongsun- Sp 4 Master point of Chong mai      Both together relieve the feeling of fullness in the chest and Stomach.
Retention of Food: Tianshu: St 25 Relieves intestinal obstruction.
Invasion of Stomach by Qi of Liver: Taichong- Liv 3 - Reducing method- activates the function of the Liver.
Weakness of Spleen and Stomach: Pishu- UB 20 Reinforcing method- activates the Spleen.