The usage of timolol maleate eye drops is to put the drops into the eyes, the instructions recommend 1 to 2 times a day, 1 drop at a time, the specific dosage should follow the doctor’s instructions. Timolol maleate eye drops need to wash your hands before use, then pull down the eyelids with one hand, there is a certain gap, the other hand holding the bottle, the drops into the gap, close your eyes can be, usually need to close the eyes for 1 to 2 minutes. The drug instructions recommended dosage as described above, if the intraocular pressure has been controlled, can be changed to once a day, if there are other therapeutic use of drugs before the use of this drug, can not suddenly stop the original drug, should be gradually discontinued, due to the different personal circumstances of different patients, the specific use of the dosage should be consulted with a professional doctor. Timolol maleate eye drops is a non-selective β-adrenergic receptor blocker, mainly used in the treatment of primary open-angle glaucoma, but also used for high intraocular pressure, certain secondary glaucoma, some of the primary closed-angle glaucoma, other drugs and surgical ineffective glaucoma, the addition of this drug can enhance the effect of lowering intraocular pressure. It should be noted that the use of Timolol Maleate Eye Drops is prohibited for those who are allergic to any component of this drug, those with sinus bradycardia, patients with degree II or III AV block, those with significant heart failure, those with cardiogenic shock, those with bronchial asthma, those with severe chronic obstructive pulmonary disease, and those with a history of bronchial asthma. Some patients may experience burning sensation in the eyes, tingling, bradycardia, dizziness, bronchospasm and other adverse reactions during the use of the drug, at this time, the drug should be immediately discontinued, and if the persistence of non-relief should be timely medical consultation. The medication should be used in accordance with the doctor’s instructions, and should not be used blindly to avoid side effects.