The average body length and weight of Paramecium rubripes were (122.89 2.58) mm and (13.04 0.62) g, respectively, and the relationship between body length and weight was y=0.000 2x2.279 5(R2=0.795 2). The absolute fecundity of female paramecium rubrum is 162 ~ 756, and the average fecundity is (437.3 31.27). The relationship between fecundity and body weight of paramecium rubrum is y = 29.814x+8.0383 (R2 = 0.6826). The relationship between fecundity and body length of paramecium rubrum is y=0.003 9x2.378(R2=0.702 2). The first sexual maturity of female paramecium rubrum is 2 years old, and mature individuals appears when male is 1 year old. The breeding season is April-May. Under the condition of artificial domestication, paramecium rubrum can eat artificial compound feed and grow faster. After 60 days of feeding, the weight gain rate and survival rate of Paramecium rubripes were 27% ~ 32% and 78% ~ 97% respectively.