In order to improve the straw return rate in sloping farmland, a farming method based on planting and cultivating land suitable was proposed. Field experiments was used to study the effects of straw mulching and rotation tillage technology (including current season straw mulching and fallow, last season straw mulching and rotary tillage) and conventional farming (straw removal rotary tillage) on soil water and heat changes and carbon and nitrogen accumulation. The results showed that: water content in the 20~40 cm soil layer in the early stage of planting could significantly be increased with straw mulching, and the mulching fallow and mulching rotary tillage treatments increased by 26.02% and 37.49% respectively compared with conventional tillage. At the same time, the 20~40 cm soil bulk density in mulching rotary tillage treatment was higher than that of conventional tillage and mulching fallow, which were reduced by 6.52% and 13.04% respectively. Compared with mulching and rotary tillage, mulching and fallow could reduce the soil temperature of 0~20 cm and 20~40 cm in the early stage of crop growth by 1.63℃-1.89℃, while the soil moisture content increased by 22.06%~24.41%, which provided conditions for crop emergence and early growth. By the combination technology of straw mulching fallow tillage and mulching rotary tillage could increase the carbon and nitrogen content of 0~20cm soil layer, and the organic carbon and total nitrogen reserves were increased by 11.36% and 20.51% compared with conventional tillage. all of this provide a scientific basis for the implementation of protective farming techniques on slope farms in low mountain and hilly areas in the future.