Medicines are seen at a store in Xi'an, Northwest China's Shaanxi Province on Monday. (Photos: VCG)

Prices of some non-prescription medicines have increased as much as 50 percent in recent days due to higher production costs and standards.

Aiming to lower medicine prices, China announced a trial plan for government-led medicine procurement programs in 11 cities, including Xi'an, in January.

Medicines are seen at a store in Xi'an, Northwest China's Shaanxi Province on Monday.