The invention discloses a method for picking fruits of Jatropha curcas, pertaining to the technical field of farming operation. The method of the invention includes the steps of determination of ripeness of fruits, picking of fruits, preparation of tools, picking of fruits on low branches, picking of fruits on high branches and necessary points for attention. When the fruits of the Jatropha curcas completely turn from green to yellow and the seed is found completely black when the seed capsule is peeled, then the fruits can be determined to be ripe and the fruits are harvested once at an interval of 15 days to 20 days since the ripening of fruits. The method of the invention comprehensively takes the characteristics of fruit bearing of the Jatropha curcas into account to save the picking cost, has scientific harvesting and convenient operation and can save more than 78 percent of labor intensity and reduce the cost of fruit picking by over 350 yuan per Mu (one Mu is approximately equal to 666.66 square meter), thus dramatically reducing the production cost.