Lidocaine and Dacronin can not be compared which is better, the drug is different to treat different effects, to choose the right drug for yourself under the guidance of a doctor, to avoid unauthorized use, causing unnecessary damage to the body. 1. Lidocaine: it is a local anesthetic and antiarrhythmic drug, belonging to the sodium channel blocker, can be used for anesthesia for surgery, myocardial infarction, ventricular tachycardia and many other symptoms; it can also be used to reduce premature ejaculation caused by glans sensitivity. But the use of dizziness, vomiting and other adverse reactions may occur. 2. Dacronin: a local anesthetic, pain relieving, antipruritic, antiseptic and so on, can block the conduction of nerve impulses or stimuli, inhibit the sense of touch and pain, can be used to treat a variety of symptoms such as burns, abrasions, hemorrhoids and so on; it can also be used for the glans to reduce premature ejaculation caused by glans sensitivity. Rashes and vomiting may occur with use and usually disappear on their own. The medication should be taken under the guidance of a doctor in accordance with the dosage, to avoid unauthorized use of the body to cause unnecessary damage.