The present invention relates to a system for determining a seeding condition and an altitude for artificial snowmaking, which comprises: a seeding optimization condition determining unit which determines whether a surface air temperature and an upper air temperature are below a predetermined temperature based on surface weather observation information and vertical weather observation information of a target area or not, determines whether the highest value of cloud liquid water is larger than a predetermined value or not when the surface air temperature and the upper air temperature are below the predetermined temperature, determines whether the cloud liquid water increases at each altitude from the ground or not when the highest value of the cloud liquid water is larger than the predetermined value, decides a traditional ground seeding experiment (a ground seeding experiment in a first type) when the cloud liquid water increases at each altitude from the ground, and decides an aviation seeding experiment (or a non-traditional ground experiment) when the cloud liquid water at each altitude increases from an upper altitude apart from the ground; a ground seeding condition determining unit which determines implementation of the ground seeding experiment at the target area when the ground seeding experiment is determined; and an aviation seeding condition determining unit which determines an optimum seeding altitude when the aviation seeding experiment is determined, and implements the aviation seeding experiment at the altitude. The present invention is able to reduce economic losses caused by improper seeding design.
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