The causes of the left side of the waist a little pain, there are several aspects: first, may be due to lumbar muscle strain, lumbar spine disease and lumbar osteophytes, etc. caused by the left side of the waist pain. In this case, you can choose to use acupuncture and massage treatment in Chinese medicine, which can generally relieve the symptoms of lumbago. For more serious symptoms, it is recommended that the treatment together with Chinese medicine will be very effective. Secondly, it may be due to sudden movement before a very long period of non-exercise can also cause the symptoms of a little pain in the left side of the waist. Third, it may be due to some diseases of the kidneys that cause pain in the waist, such as kidney stones, nephritis, and even tumors can cause pain and discomfort in the left side of the waist. For kidney diseases that lead to pain in the waist, you need to go to the hospital in time to clarify the cause and take the corresponding treatment to treat. The pain in the waist must be taken seriously to avoid serious consequences due to negligence, in addition to not overworking, must pay attention to rest and reasonable arrangement of work and rest habits.