Half of the body sweating half do not sweat, belongs to the Chinese medicine “partial frustration” category, refers to sweating in half of the body, left or right, that is, half of the body sweat, half of the body sweat, mostly by the qi and blood can not flow around the body caused. Traditional Chinese medicine is considered to be related to wind-phlegm, phlegm stasis, wind-dampness blockage of meridians and channels, and qi and blood disharmony. Half-body sweating means that the patient complains of sweating only on one side of the body, either on the left or right side of the body, or on the upper or lower half of the body. Sweating is usually seen on the healthy side, and the half of the body without sweating is often the site of the disease. Chinese medicine believes that this manifestation is mostly seen in patients with impotence, stroke and paraplegia, mostly due to phlegm stasis, wind phlegm, rheumatism and other pathological factors blocking the meridians and channels, resulting in Ying and Wei not being able to flow throughout the body, and qi and blood are out of harmony. Clinically, if the phenomenon of half-body sweating occurs, it should be taken seriously and go to the hospital as soon as possible to avoid delaying the condition.