Lung 7 is a point for treating cough, sore throat, chills and fever, nasal congestion, headache, and stiff neck.In acupuncture, many of these symptoms are caused by a Wind invasion. Lung 7 works by helping to expel Wind from the body. Wind invades through the back of the neck, which is why Lung 7 is the point for that stiff-neck feeling we associate with a cold coming on.( wear scarves), immune-boos whenever you want. Just press the point firmly or use a circular motion to massage the area.