How long is the best time for acupuncture needs to be analyzed specifically according to different diseases, and cannot be generalized. The duration of acupuncture treatment should generally be chosen according to different diseases. If the acupuncture time is too short, it will cause the treatment to fail to achieve the effect, and if the acupuncture time is too long, the patient will experience weakness. If it is a substantial disease such as hyperthermia, the acupuncture should be avoided for too long, and it is recommended to choose a short period of acupuncture, or a fast acupuncture method; if it is a deficiency cold type of disease, the acupuncture treatment time is recommended to be 30-60 minutes; if it is a disease such as paralysis, the acupuncture treatment time can be prolonged, or even consider keeping the needles for several hours or so. However, acupuncture is not recommended for patients with bleeding disorders or bleeding tendencies. In addition, it is necessary to pay attention to keep warm after acupuncture, not to take a shower, blow air conditioner, blow fan or eat too cold food immediately after acupuncture to avoid the invasion of cold evil into the body.