【正文】 ic toxicity. So heavy metal pollutant was regarded as very important pollutant all around the world. Now the soil around the world was polluted by heavy metals at different degree, totally the heavy metal released to the environment annually nearly as follow: Hg: ton, Cu: 340million ton, Pb: 500million ton, Mn: 1500 ton, Ni: 100million ton [1]. In north of China, many vegetable and food base exist some heavy metal polluted phenomenon seriously, for example, Beijing, Tianjin, Shenyang, Jinan, Changchun, Zhengzhou etc.. On the other hand, South of China seemed to be a little better, but in Fuzhou, Ningbo, Shanghai, Wuhan, Chengdu and some other place, heavy metal pollution has caused serious ecological problems. In China, there is nearly plantation / person。 Chlorophyll。 Shoot。 Seed germination。C. All metals were determined after mineralization. For mineralization, the dry samples ( g of roots and g of cotyledons) were dissolved in 5 mL of HNO3 (65%) and a H2O2 mixture prepared in the ratio 4:1. After 24 h each sample was autoclaved separately in a teflon container at the temperature 120176。1/2025177。6H2O (2, 4, 8, 16, 32 mg/l), PbCl2 (, , , , mg/l), HgCl2 (, , , , mg/l) and ZnCl2 (, , , , mg/l) on different seeds’ germination, seedling growth, chlorophyll and the carotenoid content and the heavy metals content.This study investigated the possible involvement of Seed germination, seedling growth, photosynthetic pigment production and metal accumulation response to heavy metal stress. Firstly filter the seeds, choose those satiation and slick seeds for the after using, wash the test Petri with tap water for three times, then wash another time with distilled water, and then put the Petri under sunlight until dry。 before the study, some necessary knowledge must be understand well, some other test should be done to make the test much more perfect.The development of chemical industry and the three waste of industry given of seriously polluted the soil, air and water, which the plant lived on. The planted under polluted environment, content heavy metal and other pollutants, these affected people health and lives. Metallic contaminants may enter soil from farm manures, sewage sludge, municipal solid wastes, and pesticides. Metallic contaminants in feedstock are not lessened quantitatively during metals are difficult to be deposed under natural environment, however, the bioavailability of metallic contaminants may be lessened by posting. Those heavy metals must take some negative effect to environment and ecosystem, a lot of domestic and international scholars have made a large number of experiment research about the influence of heavy metals to seed germination. Consequently, the study of heavy metal pollution on plants and the seed is urgently results suggested that when at low density some heavy metals may be accelerate seed germination, but when exceeding certain density range nearly all heavy metals inhibit seed germination. This study investigated the possible involvement of Seed germination, seedling growth, photosynthetic pigment production and metal accumulation response to heavy metal stress. Radish (Raphanus Sativus) is a popular vegetable in China. This vegetable has a large number of varieties and can be cultured throughout the year depending on the varieties. In recent years a relatively large area of farmland has been contaminated by heavy metals because of industrialization and urbanization in China. This vegetable often is grown on farmland near highways, in mining areas where soils are usually contaminated by heavy metals. This suggests that the plant can tolerate some extent of heavy metal contamination and that as a food supply it could create a health risk to consumers. With the developing of the economy and urbanization, polluted material including heavy metals entered the environment more and more seriously, an increased frequency in the number of outbreaks of illness associated with the consumption of fresh fruits and vegetables .For the test, seeds of Radish (Raphanus Sativus) were offered by Gansu Academy of Agricultural metals are the main environmental factor accountable for decreasing crop productivity in many geographic areas. Despite the enormous studies that have investigated the effects of heavy metals on plants, only few have embraced the reality of multiple, interacting environmental factors. In order to offer the basis for relevant research, a summary has been done about heavy metals such as Hg、Pb、Cd、Co and Cr influence seed germination, drawing the conclusion that heavy metals inhibit the sprouting of most tested studied the effects of several doses of CdCl2 soil used ratio and motor vehicles density. Sewage irrigation be used in China since 1960s, especially in north of China. It’s inevitable to increase heavy metal concentration in soil by using sewage irrigation, especially those toxic metals (Hg、Cd、Cr、As、Cu、Zn、Pb), take Taiyuan for example, the heavy metal concentration in the soil has exceeded to local background much, and the concentration are increasing yearly. The rejectamenta that contains heavy metals has plenty of types, differential types has differential harm effect. Heavy metal toxicity arises when a number of certain heavy metal species, such as mercury, lead, arsenic and cadmium for example, occur as cations. The behavior of heavy metals in fluids and their relative mobility in the environment varies strongly according to oxidationreduction conditions, to the pH of the surrounding environment, and whether there are organic plexing pounds present. When in solution the ionic strength of the solution or saturation levels of cations in the solution, also influences the behavior of heavy environmentally hazardous metals are too insoluble to move freely in the vascular system of the plant. Many form sulfate, carbonate or phosphate precipitates immobilizing these metals in apoplastic and symplastic partments. Apoplastic transpor