Huaiyang County is located in the middle of Zhoukou City in the southeast of Henan Province, with a geographical location of 33 20' to 34 00 north latitude, an east diameter of114 38' to15 04', a length of 56 kilometers from north to south, a width of 40.6 kilometers from east to west and a southeast.

Huaiyang County is located in the southern edge of the alluvial fan of the Yellow River, which is a part of the North China Plain and the Huang-Huai-Hai Plain. Northwest elevation of 50m, southeast elevation of 40m. The natural slope of the ground is 1/5000 to 1/6000. The total land area of the whole region is 2.2 million/kloc-0.80 million mu, of which the cultivated land area is/kloc-0.7732 million mu, accounting for 80.53% of the total land area. Soil is mainly composed of two types: mixed soil and mixed soil. The terrain in this area is basically flat. However, due to the influence of repeated siltation in the south of the Yellow River, the ground is in a state of "big flat and small uneven", forming many concave slopes with different sizes and depths.

Huaiyang county has a warm temperate monsoon climate. Mild climate, abundant rainfall, four distinct seasons, long frost-free period and more sunshine hours. The temperature, precipitation and wind direction change obviously with the seasons, which has the advantages of north and south: the temperature rises early in spring and thaws quickly; There is no heat in summer, and the precipitation is concentrated; Slow cooling in autumn; There is no cold in winter, and there is little rain and snow. It has the characteristics of long cold time in winter, less rain and snow, concentrated hot rain in summer, short warm season in spring and autumn, and many dry winds at the turn of spring and summer. The annual average precipitation is about 740mm, and the average temperature is about 65438 04℃.