Finger Citron Classic Formulas — Natural Herb Library

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Soothes Liver qi and relieves constraint - Fo Shou is one of the classic citrus fruits for chest, flank, and hypochondriac distention associated with emotional or digestive stagnation.
Harmonizes the Stomach and alleviates pain - it is used for nausea, poor appetite, epigastric fullness, and abdominal discomfort when qi is not moving smoothly.
Transforms phlegm and benefits the Lung - compared with more purely digestive citrus herbs, Fo Shou retains a useful role when qi stagnation and phlegm cause cough, chest oppression, or a blocked breathing sensation.

Fo Shou with Chai Hu, Xiang Fu, or Yu Jin - common Liver-qi-regulating pairing logic for flank distention, emotional oppression, and poor appetite.
Fo Shou with Chen Pi, Ban Xia, and Mu Xiang - middle-burner stagnation and phlegm approach for nausea and chest fullness.
Fo Shou with Xiang Yuan and Gua Lou - traditional citrus-phlegm strategy when stagnation constrains the chest and affects breathing.

Traditional materia medica classify Fo Shou as acrid, bitter, sour, and warm, entering the Liver, Spleen, Stomach, and Lung to regulate qi, harmonize the middle, transform phlegm, and stop pain.
Its name and imagery of a 'Buddha's hand' fruit helped preserve a long cultural association with fragrance, pleasant movement, and gentle emotional easing.
Fo Shou is usually chosen for stagnation and constraint, not for clear deficiency or blazing heat.