T7 (Left) innervates the spleen and is an important point for any blood related issues - both in terms of circulation but also in terms of disease. Due to the role in body fluids and blood a range of issues that are more prominent at night may be indicated, insomnia, frequent nighttime urination, dream disturbed sleep and/or nightmares. Used for esophageal issues and a range of digestive issues. Also influences the circulation into the lower back and legs, so any issues with legs, swelling, weakness, etc. and as a secondary point for back pain.
T7 (Right) influences the abdominal blood vessel - used for a range of circulatory issues including raynaud's syndrome, hand and/or feet that are too hot or too cold or vasculate between the two abdnormally. Also any systemic diseases that travel in or involves the blood, AIDS/HIV, leukemia, anemia, etc. More strongly influences digestion and issues that are stronger from noon through the afternoon.
Hui-meeting Point of the Blood, useful for all Blood related conditions. Classically combined with UB 19 to create the "Four Flowers" which is used to nourish the Blood, although in clinical practice UB 18 & UB 19 may used equally as often. These conditions may include coughing or vomiting of blood, blood in the stool.
For menstrual problems, from deficiency (scanty, light periods, amenorrhea) or stasis (dark clots, dysmenorrhea).
Important point for red, itchy skin disorders, from heat in the Blood: eczema, carbuncles.
As the "Diaphgram shu" it harmonizes the chest and descends rebellious qi - problems with diaphragmatic breathing or shortness of breath and other diaphragm related conditions such as belching or hiatal hernia.
Chest / cardiac pain, also psychological "heart" related conditions - manic depression.
A range of digestive issues, particularly those involving rebellious qi - vomiting, epigastric pain, reflux.