A child with a fever that occurs every other week is often caused by a weak resistance. In the case of weak resistance, once the virus or bacteria invade the human body, these viruses or bacteria can easily grow and multiply in the human body and produce a lot of toxins, which stimulate the body’s thermoregulatory center, so that the body temperature regulating point moves up, and fever will appear, so children are prone to fever more frequently. The first thing to do is to make some adjustments for the weaker resistance, you need to let your child do more sports, such as jogging, swimming or learning roller skating, which is more effective for enhancing immunity. In addition, you need to give your child more fresh fruits and vegetables, especially fresh fruits and vegetables rich in vitamin C, which are very effective in regulating immunity. If the effect is not good, you need to take drugs for treatment, for example, you can use the Chinese medicine, such as Yu Ping Feng granules.