Face slimming injection is through the injection of botulinum toxin at the bite muscle, blocking the information transmission between the nerve and muscle, thus causing relaxation paralysis of the muscle, so that the facial bite muscle atrophy, to achieve the purpose of slimming the face, the effect can be maintained for about 6 months after each injection. The advantages are small trauma, quick results, short recovery period, etc. After facial injection, early chewing weakness may occur, soreness, are normal, avoid eating hard shell food. At the same time, 1 week avoid eating spicy and stimulating food, eating spicy will affect the wound healing. If sweat flows onto the wound when eating spicy food, it may cause infection. In addition, abstain from eating fish, shrimp, seafood, tobacco and alcohol, and avoid taking gentamicin antibiotics. If the correct care is not strictly in accordance with medical advice during this period, it may lead to redness and swelling of the injection site, discomfort reactions aggravated, affecting the effect of face slimming after injection. At the same time, due to different personal constitution, some people will appear redness and swelling or even bruising phenomenon, generally within 3 days the redness and swelling can disappear, the bruising will take about 1 week to fade. If after the injection treatment, redness, swelling, heat, pain and other reactions, be sure to return to the hospital for follow-up. In addition, after the treatment of face slimming effect time is about 7 days, please be patient after injection, a few people may not be sensitive to the drug and lead to the effect is not obvious, this case should be treated after 2 weeks of follow-up.