As we all know, nitroglycerin tablets for angina patients “life-saving drugs” and “portable medicine”, how to make nitroglycerin better play a therapeutic effect, faster relief of angina pectoris, but you really will use? 1.It can only be sublingualized, not chewed or swallowed with water. 2, sitting position or semi-recumbent position, leaning on the sofa or have a wide back chair, sit quietly for 15 minutes, not lying or standing. 3, angina attack, immediately sublingualization of 1 tablet, if not effective, every 5 minutes and then sublingualization of 1 tablet, can be 3 consecutive times, generally no more than 3 times. Contained 3 times, does not relieve, should immediately call 120 emergency telephone. 4, carry should be protected from light, sealed, cool place to save, at any time to replenish, replace 1 time a month.