1.3 Advantages and a)Less convenient than tablets or capsules b) Hard to mask unpleasant taste c)Difficult to protect from atmospheric moisture or oxygen d)Not suitable for low dose(difficult measurement) e)Not suitable for drugs irritate or damage stomach1.3 Advantages and disadvantages a) Less convenient than tablets or capsules b) Hard to mask unpleasant taste c) Difficult to protect from atmospheric moisture or oxygen d) Not suitable for low dose (difficult measurement) e) Not suitable for drugs irritate or damage stomach