After the injection of leg slimming injection, the effect is usually obvious in about 14 days. The main component of the leg slimming injection is the action of the leg muscle type A botulinum toxin, can block the information transmission between the nerve and muscle tissue, so that the muscle loses the nerve nourishment and atrophy, can beautify the legs. However, after Botox is injected into the muscle, it takes 7-14 days to be fully metabolized in the body before it can gradually play the role of leg slimming, with the best effect in 1-3 months. The metabolic cycle of botulinum toxin in the body is about 4-6 months, and it usually needs to be reinjected at intervals. Therefore, in order to make the skinny leg injection effective, in the first few days after the injection of skinny leg injection, patients need to pay attention to avoid letting the calf, especially the eye of the needle to get wet. Also do not perform high-intensity exercise in a short period of time, otherwise the muscles will be more developed because of the exercise. Usually should avoid spicy and stimulating diet, avoid walking for a long time.