According to the 2006 statistics of relevant state departments, in order to increase production, currently 90% of fruit and vegetable production rely on chemical pesticides. China Quality Inspection Administration released: fruit and vegetable pesticide residues exceeding the issue of up to 47.5% of these residues long-term accumulation in the body can cause chronic poisoning, induce a variety of diseases, and prevention is more difficult to predict is: If you are pregnant women, may be affect the health of the fetus.

According to the statistics show that in 1998 the Ministry of Health has received 55 reports of food poisoning since 5836 people were poisoned, 88 people were killed; while by 2000, received 150 reports of food poisoning cases have been 6237 people were poisoned, 135 people were killed .

Currently contaminated fruits and vegetables is very serious, even grave containing more or less than the national standard containing pesticide residues and viruses, bacteria. Especially in the off-season vegetables in greenhouses, high temperature due to greenhouse, pest-prone and spread, farmers spraying pesticides will be excessive, so the toxicity of vegetables soar.
It is also a lack of vegetables and fruits contaminated understanding. Everyday life, not taken in the consumption of some effective methods to remove, or incorrect use, or carelessly handled it. In this way, or not to remove or completely removed vegetables, fruits, pesticide residues.
Medicine shows, vegetables, fruits excessive pesticide residues, will directly harm the body's nervous system and the liver, kidneys and other vital organs. Dizziness, headache, abdominal pain, blurred vision, nausea, vomiting and other symptoms of severe poisoning will appear pulse, rapid breathing and coma; ate there the same amount of pesticide residues in vegetables, children more vulnerable to illness, usually manifested as persistent abdominal pain , suffering from severe acute gastroenteritis. If it occurs in pregnant women, may affect fetal development, miscarriage, stillbirth or fetal malformation.
In Henan Province, once such a situation arise, in order to increase crop yield, a village heavy use of pesticides, 1-3 months of this year, there have been eight cases of renal failure caused deaths. The survey found that because of long-term consumption of food contaminated with pesticides caused.