The invention relates to a tomato cultivating method. The tomato cultivating method comprises the following steps of 1, performing sowing and seedling culture: performing seedling culture, performing transplanting, and soaking seeds in warm water; 2, performing soil preparation, and applying base fertilizers: generally making ridges at intervals of 4 chi; 3, performing field planting: transplanting seedlings; 4, performing field management, wherein during the period after the field planting and before seedling recovering, watering is not performed generally; 5, pruning branches and auxiliary buds, wherein pinching does not need to be performed on self-topping varieties, pinching needs to be performed on indeterminate growth type varieties, branches on a single trunk are pruned, namely only a main vine is reserved, and 4-5 flowers of each plant are reserved for pinching; and 6, preventing fruit dropping, too high temperature or too low temperature easily causes fruit dropping, so that flowers can be dipped with 2,4-D. The technical means of the tomato cultivating method disclosed by the invention has the beneficial effects that the tomato cultivating method is performed according to growth habits of tomatoes, environment required for the growth of the tomatoes is provided, the cultivated tomatoes are high in yield which can achieve 4000 kilograms/mu generally, besides, the licopersicin content is high, and requirements of people for nutrients of the tomatoes are met. The tomato cultivating method is reasonable in steps, and a great quantity of human resources and labor are saved.