Acupuncture can be used to treat all types of pain in horses, in particular those affecting the musculoskeletal system. Acupuncture can also be applied in the treatment of chronic internal ailments. Traditional Chinese medicine considers physical ailments and psychological problems as a unit, allowing psychological disorders to be also treated with acupuncture. It is important that a conventional Western medical diagnosis has been obtained prior to the commencement of acupuncture treatment. For example, it is natural for a horse with pain in its front legs and no discernable lameness to develop back pains. In this case, the back is the secondary problem. It is therefore first of all necessary to treat the pain in the front legs. The back can then be treated with acupuncture. A conventional medical diagnosis is required to determine the cause of the lameness. A traditional Chinese diagnosis is performed supplementally. It is then possible to decide which form of treatment to use or whether to combine the two.