The invention relates to the technical field of bud picking and shoot control, in particular to a preparation for picking buds and controlling shoots of citrus. The preparation is prepared from the following raw materials in parts by weight: 8-15 parts of ethephon, 10-20 parts of flazasulfuron, 5-9 parts of fomesafen, 10-20 parts of 3,6-dihydroxypyridazine, 3-8 parts of a plant growth substance, 15-30 parts of a surfactant and 30-50 parts of a solvent. The preparation for picking buds and controlling shoots of citrus is good in bud picking and shoot control effect, high in efficiency and free of toxicity or harm, easy to decompose without residue after being used, beneficial to environment protection, free of adverse affect on mature twigs, leaves and fruits, and capable of promoting fruit growth and improving quality of fruits. The preparation is convenient to use, manual bud picking and shoot control generally used in citrus production can be replaced, the purpose of bud picking and shoot control by using chemical preparations can be achieved, the labor can be saved, the production cost can be lowered, the working efficiency can be improved by more than 20 times when being compared with that of the manual bud picking and shoot control, and wide popularization values can be achieved.