This paper, by correlation analysis between the spectrum in paddy fields and rice growth in different stases, gives the conclutions as follows: 1. The relationship between spectrum in paddy fields and rice srowth is sood, especially in the late staSe of rice; 2. Near rice heading, the relationship between spectrum in paddy fields and rice yield components is high; 3. In the rice milk stase, the relationship between rice theory yield and spectrum in paddy fields is good, especially in 800um; 4. The model of rice yield estimation is:Y=6.65PVI_D+8.19PVI_H+4.48PVI_Mt+4.36PVI_Ms-0.3 hear: PVI - standardized perpendicular vegetation index; D, H, Mf, Ms -differentiation, headinS' milkfilling, milky stage.