Lychee kernel can be used as a traditional Chinese medicine, which mainly has the function of moving qi and dispersing knots (to make the body’s qi smooth and dissolve the lumps), dispelling cold and relieving pain. It can be used in the treatment of cold hernia and abdominal pain (acute abdominal pain caused by cold internal organs and external wind-cold), testicular swelling and pain, etc. There is no clear contraindication to the use of the drug. Litchi kernel is the dried mature seeds of Lychee, family Sapindaceae, which is sweet, slightly bitter and warm in nature; it belongs to the liver and kidney meridians, and has the efficacy of promoting qi circulation and dispersing knots (to make the body’s qi smooth and dissolve the knots), dispelling cold and relieving pain, which can be used in the treatment of cold hernia and abdominal pain (acute abdominal pain caused by internal organ deficiency and cold and wind cold), testicular pain and swelling, and other diseases. It can be decocted and taken internally, and can also be used in pills, with no clear contraindications, but when used as a traditional Chinese medicine for the treatment of the above conditions, it should be carried out under the guidance of a physician to prevent the condition from being misdiagnosed.